440280540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 288

約数和(自身を含む): 1641669120

約数和(自身を除く): 1201388580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 53, 57, 60, 63, 70, 76, 84, 90, 95, 105, 106, 114, 126, 133, 140, 159, 171, 180, 190, 210, 212, 228, 252, 265, 266, 285, 315, 318, 342, 347, 371, 380, 399, 420, 477, 530, 532, 570, 630, 636, 665, 684, 694, 742, 795, 798, 855, 954, 1007, 1041, 1060, 1113, 1140, 1197, 1260, 1330, 1388, 1484, 1590, 1596, 1710, 1735, 1855, 1908, 1995, 2014, 2082, 2226, 2385, 2394, 2429, 2660, 3021, 3123, 3180, 3339, 3420, 3470, 3710, 3990, 4028, 4164, 4452, 4770, 4788, 4858, 5035, 5205, 5565, 5985, 6042, 6246, 6593, 6678, 6940, 7049, 7287, 7420, 7980, 9063, 9540, 9716, 10070, 10410, 11130, 11970, 12084, 12145, 12492, 13186, 13356, 14098, 14574, 15105, 15615, 16695, 18126, 18391, 19779, 20140, 20820, 21147, 21861, 22260, 23940, 24290, 26372, 28196, 29148, 30210, 31230, 32965, 33390, 35245, 36252, 36435, 36782, 39558, 42294, 43722, 45315, 46151, 48580, 55173, 59337, 60420, 62460, 63441, 65930, 66780, 70490, 72870, 73564, 79116, 84588, 87444, 90630, 91955, 92302, 98895, 105735, 109305, 110346, 118674, 126882, 128737, 131860, 138453, 140980, 145740, 165519, 181260, 183910, 184604, 197790, 211470, 218610, 220692, 230755, 237348, 253764, 257474, 275865, 276906, 296685, 317205, 331038, 349429, 367820, 386211, 395580, 415359, 422940, 437220, 461510, 514948, 551730, 553812, 593370, 634410, 643685, 662076, 692265, 698858, 772422, 827595, 830718, 923020, 1048287, 1103460, 1158633, 1186740, 1268820, 1287370, 1384530, 1397716, 1544844, 1655190, 1661436, 1747145, 1931055, 2076795, 2096574, 2317266, 2446003, 2574740, 2769060, 3144861, 3310380, 3494290, 3862110, 4153590, 4193148, 4634532, 4892006, 5241435, 5793165, 6289722, 6988580, 7338009, 7724220, 8307180, 9784012, 10482870, 11586330, 12230015, 12579444, 14676018, 15724305, 20965740, 22014027, 23172660, 24460030, 29352036, 31448610, 36690045, 44028054, 48920060, 62897220, 73380090, 88056108, 110070135, 146760180, 220140270, 440280540]

約数ペア:

[(1, 440280540), (2, 220140270), (3, 146760180), (4, 110070135), (5, 88056108), (6, 73380090), (7, 62897220), (9, 48920060), (10, 44028054), (12, 36690045), (14, 31448610), (15, 29352036), (18, 24460030), (19, 23172660), (20, 22014027), (21, 20965740), (28, 15724305), (30, 14676018), (35, 12579444), (36, 12230015), (38, 11586330), (42, 10482870), (45, 9784012), (53, 8307180), (57, 7724220), (60, 7338009), (63, 6988580), (70, 6289722), (76, 5793165), (84, 5241435), (90, 4892006), (95, 4634532), (105, 4193148), (106, 4153590), (114, 3862110), (126, 3494290), (133, 3310380), (140, 3144861), (159, 2769060), (171, 2574740), (180, 2446003), (190, 2317266), (210, 2096574), (212, 2076795), (228, 1931055), (252, 1747145), (265, 1661436), (266, 1655190), (285, 1544844), (315, 1397716), (318, 1384530), (342, 1287370), (347, 1268820), (371, 1186740), (380, 1158633), (399, 1103460), (420, 1048287), (477, 923020), (530, 830718), (532, 827595), (570, 772422), (630, 698858), (636, 692265), (665, 662076), (684, 643685), (694, 634410), (742, 593370), (795, 553812), (798, 551730), (855, 514948), (954, 461510), (1007, 437220), (1041, 422940), (1060, 415359), (1113, 395580), (1140, 386211), (1197, 367820), (1260, 349429), (1330, 331038), (1388, 317205), (1484, 296685), (1590, 276906), (1596, 275865), (1710, 257474), (1735, 253764), (1855, 237348), (1908, 230755), (1995, 220692), (2014, 218610), (2082, 211470), (2226, 197790), (2385, 184604), (2394, 183910), (2429, 181260), (2660, 165519), (3021, 145740), (3123, 140980), (3180, 138453), (3339, 131860), (3420, 128737), (3470, 126882), (3710, 118674), (3990, 110346), (4028, 109305), (4164, 105735), (4452, 98895), (4770, 92302), (4788, 91955), (4858, 90630), (5035, 87444), (5205, 84588), (5565, 79116), (5985, 73564), (6042, 72870), (6246, 70490), (6593, 66780), (6678, 65930), (6940, 63441), (7049, 62460), (7287, 60420), (7420, 59337), (7980, 55173), (9063, 48580), (9540, 46151), (9716, 45315), (10070, 43722), (10410, 42294), (11130, 39558), (11970, 36782), (12084, 36435), (12145, 36252), (12492, 35245), (13186, 33390), (13356, 32965), (14098, 31230), (14574, 30210), (15105, 29148), (15615, 28196), (16695, 26372), (18126, 24290), (18391, 23940), (19779, 22260), (20140, 21861), (20820, 21147)]