20155171860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:659

約数の個数: 288

約数和(自身を含む): 65213890560

約数和(自身を除く): 45058718700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 71, 90, 92, 115, 138, 142, 180, 191, 207, 213, 230, 276, 284, 345, 355, 359, 382, 414, 426, 460, 573, 639, 690, 710, 718, 764, 828, 852, 955, 1035, 1065, 1077, 1146, 1278, 1380, 1420, 1436, 1633, 1719, 1795, 1910, 2070, 2130, 2154, 2292, 2556, 2865, 3195, 3231, 3266, 3438, 3590, 3820, 4140, 4260, 4308, 4393, 4899, 5385, 5730, 6390, 6462, 6532, 6876, 7180, 8165, 8257, 8595, 8786, 9798, 10770, 11460, 12780, 12924, 13179, 13561, 14697, 16155, 16330, 16514, 17190, 17572, 19596, 21540, 21965, 24495, 24771, 25489, 26358, 27122, 29394, 32310, 32660, 33028, 34380, 39537, 40683, 41285, 43930, 48990, 49542, 50978, 52716, 54244, 58788, 64620, 65895, 67805, 68569, 73485, 74313, 76467, 79074, 81366, 82570, 87860, 97980, 99084, 101956, 122049, 123855, 127445, 131790, 135610, 137138, 146970, 148626, 152934, 158148, 162732, 165140, 197685, 203415, 205707, 229401, 244098, 247710, 254890, 263580, 271220, 274276, 293940, 297252, 305868, 311903, 342845, 371565, 382335, 395370, 406830, 411414, 458802, 488196, 495420, 509780, 586247, 610245, 617121, 623806, 685690, 743130, 764670, 790740, 813660, 822828, 917604, 935709, 1028535, 1147005, 1172494, 1220490, 1234242, 1247612, 1371380, 1486260, 1529340, 1559515, 1577087, 1758741, 1871418, 2057070, 2294010, 2344988, 2440980, 2468484, 2807127, 2931235, 3085605, 3119030, 3154174, 3517482, 3742836, 4114140, 4588020, 4678545, 4731261, 4868399, 5276223, 5614254, 5862470, 6171210, 6238060, 6308348, 7034964, 7885435, 8793705, 9357090, 9462522, 9736798, 10552446, 11228508, 11724940, 12342420, 14035635, 14193783, 14605197, 15770870, 17587410, 18714180, 18925044, 19473596, 21104892, 23656305, 24341995, 26381115, 28071270, 28387566, 29210394, 31541740, 35174820, 43815591, 47312610, 48683990, 52762230, 56142540, 56775132, 58420788, 70968915, 73025985, 87631182, 94625220, 97367980, 105524460, 111973177, 141937830, 146051970, 175262364, 219077955, 223946354, 283875660, 292103940, 335919531, 438155910, 447892708, 559865885, 671839062, 876311820, 1007758593, 1119731770, 1343678124, 1679597655, 2015517186, 2239463540, 3359195310, 4031034372, 5038792965, 6718390620, 10077585930, 20155171860]

約数ペア:

[(1, 20155171860), (2, 10077585930), (3, 6718390620), (4, 5038792965), (5, 4031034372), (6, 3359195310), (9, 2239463540), (10, 2015517186), (12, 1679597655), (15, 1343678124), (18, 1119731770), (20, 1007758593), (23, 876311820), (30, 671839062), (36, 559865885), (45, 447892708), (46, 438155910), (60, 335919531), (69, 292103940), (71, 283875660), (90, 223946354), (92, 219077955), (115, 175262364), (138, 146051970), (142, 141937830), (180, 111973177), (191, 105524460), (207, 97367980), (213, 94625220), (230, 87631182), (276, 73025985), (284, 70968915), (345, 58420788), (355, 56775132), (359, 56142540), (382, 52762230), (414, 48683990), (426, 47312610), (460, 43815591), (573, 35174820), (639, 31541740), (690, 29210394), (710, 28387566), (718, 28071270), (764, 26381115), (828, 24341995), (852, 23656305), (955, 21104892), (1035, 19473596), (1065, 18925044), (1077, 18714180), (1146, 17587410), (1278, 15770870), (1380, 14605197), (1420, 14193783), (1436, 14035635), (1633, 12342420), (1719, 11724940), (1795, 11228508), (1910, 10552446), (2070, 9736798), (2130, 9462522), (2154, 9357090), (2292, 8793705), (2556, 7885435), (2865, 7034964), (3195, 6308348), (3231, 6238060), (3266, 6171210), (3438, 5862470), (3590, 5614254), (3820, 5276223), (4140, 4868399), (4260, 4731261), (4308, 4678545), (4393, 4588020), (4899, 4114140), (5385, 3742836), (5730, 3517482), (6390, 3154174), (6462, 3119030), (6532, 3085605), (6876, 2931235), (7180, 2807127), (8165, 2468484), (8257, 2440980), (8595, 2344988), (8786, 2294010), (9798, 2057070), (10770, 1871418), (11460, 1758741), (12780, 1577087), (12924, 1559515), (13179, 1529340), (13561, 1486260), (14697, 1371380), (16155, 1247612), (16330, 1234242), (16514, 1220490), (17190, 1172494), (17572, 1147005), (19596, 1028535), (21540, 935709), (21965, 917604), (24495, 822828), (24771, 813660), (25489, 790740), (26358, 764670), (27122, 743130), (29394, 685690), (32310, 623806), (32660, 617121), (33028, 610245), (34380, 586247), (39537, 509780), (40683, 495420), (41285, 488196), (43930, 458802), (48990, 411414), (49542, 406830), (50978, 395370), (52716, 382335), (54244, 371565), (58788, 342845), (64620, 311903), (65895, 305868), (67805, 297252), (68569, 293940), (73485, 274276), (74313, 271220), (76467, 263580), (79074, 254890), (81366, 247710), (82570, 244098), (87860, 229401), (97980, 205707), (99084, 203415), (101956, 197685), (122049, 165140), (123855, 162732), (127445, 158148), (131790, 152934), (135610, 148626), (137138, 146970)]