20154163920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2767}}^1$

素因数の和:2914

約数の個数: 320

約数和(自身を含む): 71172587520

約数和(自身を除く): 51018423600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 89, 93, 110, 120, 124, 132, 155, 165, 176, 178, 186, 220, 240, 248, 264, 267, 310, 330, 341, 356, 372, 440, 445, 465, 496, 528, 534, 620, 660, 682, 712, 744, 880, 890, 930, 979, 1023, 1068, 1240, 1320, 1335, 1364, 1424, 1488, 1705, 1780, 1860, 1958, 2046, 2136, 2480, 2640, 2670, 2728, 2759, 2767, 2937, 3410, 3560, 3720, 3916, 4092, 4272, 4895, 5115, 5340, 5456, 5518, 5534, 5874, 6820, 7120, 7440, 7832, 8184, 8277, 8301, 9790, 10230, 10680, 11036, 11068, 11748, 13640, 13795, 13835, 14685, 15664, 16368, 16554, 16602, 19580, 20460, 21360, 22072, 22136, 23496, 27280, 27590, 27670, 29370, 30349, 30437, 33108, 33204, 39160, 40920, 41385, 41505, 44144, 44272, 46992, 55180, 55340, 58740, 60698, 60874, 66216, 66408, 78320, 81840, 82770, 83010, 85777, 91047, 91311, 110360, 110680, 117480, 121396, 121748, 132432, 132816, 151745, 152185, 165540, 166020, 171554, 182094, 182622, 220720, 221360, 234960, 242792, 243496, 246263, 257331, 303490, 304370, 331080, 332040, 343108, 364188, 365244, 428885, 455235, 456555, 485584, 486992, 492526, 514662, 606980, 608740, 662160, 664080, 686216, 728376, 730488, 738789, 857770, 910470, 913110, 943547, 985052, 1029324, 1213960, 1217480, 1231315, 1286655, 1372432, 1456752, 1460976, 1477578, 1715540, 1820940, 1826220, 1887094, 1970104, 2058648, 2427920, 2434960, 2462630, 2573310, 2708893, 2830641, 2955156, 3431080, 3641880, 3652440, 3693945, 3774188, 3940208, 4117296, 4717735, 4925260, 5146620, 5417786, 5661282, 5910312, 6862160, 7283760, 7304880, 7387890, 7548376, 7634153, 8126679, 9435470, 9850520, 10293240, 10835572, 11322564, 11820624, 13544465, 14153205, 14775780, 15096752, 15268306, 16253358, 18870940, 19701040, 20586480, 21671144, 22645128, 22902459, 27088930, 28306410, 29551560, 30536612, 32506716, 37741880, 38170765, 40633395, 43342288, 45290256, 45804918, 54177860, 56612820, 59103120, 61073224, 65013432, 75483760, 76341530, 81266790, 83975683, 91609836, 108355720, 113225640, 114512295, 122146448, 130026864, 152683060, 162533580, 167951366, 183219672, 216711440, 226451280, 229024590, 251927049, 305366120, 325067160, 335902732, 366439344, 419878415, 458049180, 503854098, 610732240, 650134320, 671805464, 839756830, 916098360, 1007708196, 1259635245, 1343610928, 1679513660, 1832196720, 2015416392, 2519270490, 3359027320, 4030832784, 5038540980, 6718054640, 10077081960, 20154163920]

約数ペア:

[(1, 20154163920), (2, 10077081960), (3, 6718054640), (4, 5038540980), (5, 4030832784), (6, 3359027320), (8, 2519270490), (10, 2015416392), (11, 1832196720), (12, 1679513660), (15, 1343610928), (16, 1259635245), (20, 1007708196), (22, 916098360), (24, 839756830), (30, 671805464), (31, 650134320), (33, 610732240), (40, 503854098), (44, 458049180), (48, 419878415), (55, 366439344), (60, 335902732), (62, 325067160), (66, 305366120), (80, 251927049), (88, 229024590), (89, 226451280), (93, 216711440), (110, 183219672), (120, 167951366), (124, 162533580), (132, 152683060), (155, 130026864), (165, 122146448), (176, 114512295), (178, 113225640), (186, 108355720), (220, 91609836), (240, 83975683), (248, 81266790), (264, 76341530), (267, 75483760), (310, 65013432), (330, 61073224), (341, 59103120), (356, 56612820), (372, 54177860), (440, 45804918), (445, 45290256), (465, 43342288), (496, 40633395), (528, 38170765), (534, 37741880), (620, 32506716), (660, 30536612), (682, 29551560), (712, 28306410), (744, 27088930), (880, 22902459), (890, 22645128), (930, 21671144), (979, 20586480), (1023, 19701040), (1068, 18870940), (1240, 16253358), (1320, 15268306), (1335, 15096752), (1364, 14775780), (1424, 14153205), (1488, 13544465), (1705, 11820624), (1780, 11322564), (1860, 10835572), (1958, 10293240), (2046, 9850520), (2136, 9435470), (2480, 8126679), (2640, 7634153), (2670, 7548376), (2728, 7387890), (2759, 7304880), (2767, 7283760), (2937, 6862160), (3410, 5910312), (3560, 5661282), (3720, 5417786), (3916, 5146620), (4092, 4925260), (4272, 4717735), (4895, 4117296), (5115, 3940208), (5340, 3774188), (5456, 3693945), (5518, 3652440), (5534, 3641880), (5874, 3431080), (6820, 2955156), (7120, 2830641), (7440, 2708893), (7832, 2573310), (8184, 2462630), (8277, 2434960), (8301, 2427920), (9790, 2058648), (10230, 1970104), (10680, 1887094), (11036, 1826220), (11068, 1820940), (11748, 1715540), (13640, 1477578), (13795, 1460976), (13835, 1456752), (14685, 1372432), (15664, 1286655), (16368, 1231315), (16554, 1217480), (16602, 1213960), (19580, 1029324), (20460, 985052), (21360, 943547), (22072, 913110), (22136, 910470), (23496, 857770), (27280, 738789), (27590, 730488), (27670, 728376), (29370, 686216), (30349, 664080), (30437, 662160), (33108, 608740), (33204, 606980), (39160, 514662), (40920, 492526), (41385, 486992), (41505, 485584), (44144, 456555), (44272, 455235), (46992, 428885), (55180, 365244), (55340, 364188), (58740, 343108), (60698, 332040), (60874, 331080), (66216, 304370), (66408, 303490), (78320, 257331), (81840, 246263), (82770, 243496), (83010, 242792), (85777, 234960), (91047, 221360), (91311, 220720), (110360, 182622), (110680, 182094), (117480, 171554), (121396, 166020), (121748, 165540), (132432, 152185), (132816, 151745)]