639441502920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{312331}}^1$

素因数の和:312417

約数の個数: 288

約数和(自身を含む): 2332895160960

約数和(自身を除く): 1693453658040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 47, 55, 60, 66, 72, 88, 90, 94, 99, 110, 120, 121, 132, 141, 165, 180, 188, 198, 220, 235, 242, 264, 282, 330, 360, 363, 376, 396, 423, 440, 470, 484, 495, 517, 564, 605, 660, 705, 726, 792, 846, 940, 968, 990, 1034, 1089, 1128, 1210, 1320, 1410, 1452, 1551, 1692, 1815, 1880, 1980, 2068, 2115, 2178, 2420, 2585, 2820, 2904, 3102, 3384, 3630, 3960, 4136, 4230, 4356, 4653, 4840, 5170, 5445, 5640, 5687, 6204, 7260, 7755, 8460, 8712, 9306, 10340, 10890, 11374, 12408, 14520, 15510, 16920, 17061, 18612, 20680, 21780, 22748, 23265, 28435, 31020, 34122, 37224, 43560, 45496, 46530, 51183, 56870, 62040, 68244, 85305, 93060, 102366, 113740, 136488, 170610, 186120, 204732, 227480, 255915, 312331, 341220, 409464, 511830, 624662, 682440, 936993, 1023660, 1249324, 1561655, 1873986, 2047320, 2498648, 2810979, 3123310, 3435641, 3747972, 4684965, 5621958, 6246620, 6871282, 7495944, 9369930, 10306923, 11243916, 12493240, 13742564, 14054895, 14679557, 17178205, 18739860, 20613846, 22487832, 27485128, 28109790, 29359114, 30920769, 34356410, 37479720, 37792051, 41227692, 44038671, 51534615, 56219580, 58718228, 61841538, 68712820, 73397785, 75584102, 82455384, 88077342, 103069230, 112439160, 113376153, 117436456, 123683076, 132116013, 137425640, 146795570, 151168204, 154603845, 161475127, 176154684, 188960255, 206138460, 220193355, 226752306, 247366152, 264232026, 293591140, 302336408, 309207690, 322950254, 340128459, 352309368, 377920510, 412276920, 440386710, 453504612, 484425381, 528464052, 566880765, 587182280, 618415380, 645900508, 660580065, 680256918, 755841020, 807375635, 880773420, 907009224, 968850762, 1056928104, 1133761530, 1236830760, 1291801016, 1321160130, 1360513836, 1453276143, 1511682040, 1614751270, 1700642295, 1761546840, 1776226397, 1937701524, 2267523060, 2422126905, 2642320260, 2721027672, 2906552286, 3229502540, 3401284590, 3552452794, 3875403048, 4535046120, 4844253810, 5284640520, 5328679191, 5813104572, 6459005080, 6802569180, 7104905588, 7266380715, 8881131985, 9688507620, 10657358382, 11626209144, 13605138360, 14209811176, 14532761430, 15986037573, 17762263970, 19377015240, 21314716764, 26643395955, 29065522860, 31972075146, 35524527940, 42629433528, 53286791910, 58131045720, 63944150292, 71049055880, 79930187865, 106573583820, 127888300584, 159860375730, 213147167640, 319720751460, 639441502920]

約数ペア:

[(1, 639441502920), (2, 319720751460), (3, 213147167640), (4, 159860375730), (5, 127888300584), (6, 106573583820), (8, 79930187865), (9, 71049055880), (10, 63944150292), (11, 58131045720), (12, 53286791910), (15, 42629433528), (18, 35524527940), (20, 31972075146), (22, 29065522860), (24, 26643395955), (30, 21314716764), (33, 19377015240), (36, 17762263970), (40, 15986037573), (44, 14532761430), (45, 14209811176), (47, 13605138360), (55, 11626209144), (60, 10657358382), (66, 9688507620), (72, 8881131985), (88, 7266380715), (90, 7104905588), (94, 6802569180), (99, 6459005080), (110, 5813104572), (120, 5328679191), (121, 5284640520), (132, 4844253810), (141, 4535046120), (165, 3875403048), (180, 3552452794), (188, 3401284590), (198, 3229502540), (220, 2906552286), (235, 2721027672), (242, 2642320260), (264, 2422126905), (282, 2267523060), (330, 1937701524), (360, 1776226397), (363, 1761546840), (376, 1700642295), (396, 1614751270), (423, 1511682040), (440, 1453276143), (470, 1360513836), (484, 1321160130), (495, 1291801016), (517, 1236830760), (564, 1133761530), (605, 1056928104), (660, 968850762), (705, 907009224), (726, 880773420), (792, 807375635), (846, 755841020), (940, 680256918), (968, 660580065), (990, 645900508), (1034, 618415380), (1089, 587182280), (1128, 566880765), (1210, 528464052), (1320, 484425381), (1410, 453504612), (1452, 440386710), (1551, 412276920), (1692, 377920510), (1815, 352309368), (1880, 340128459), (1980, 322950254), (2068, 309207690), (2115, 302336408), (2178, 293591140), (2420, 264232026), (2585, 247366152), (2820, 226752306), (2904, 220193355), (3102, 206138460), (3384, 188960255), (3630, 176154684), (3960, 161475127), (4136, 154603845), (4230, 151168204), (4356, 146795570), (4653, 137425640), (4840, 132116013), (5170, 123683076), (5445, 117436456), (5640, 113376153), (5687, 112439160), (6204, 103069230), (7260, 88077342), (7755, 82455384), (8460, 75584102), (8712, 73397785), (9306, 68712820), (10340, 61841538), (10890, 58718228), (11374, 56219580), (12408, 51534615), (14520, 44038671), (15510, 41227692), (16920, 37792051), (17061, 37479720), (18612, 34356410), (20680, 30920769), (21780, 29359114), (22748, 28109790), (23265, 27485128), (28435, 22487832), (31020, 20613846), (34122, 18739860), (37224, 17178205), (43560, 14679557), (45496, 14054895), (46530, 13742564), (51183, 12493240), (56870, 11243916), (62040, 10306923), (68244, 9369930), (85305, 7495944), (93060, 6871282), (102366, 6246620), (113740, 5621958), (136488, 4684965), (170610, 3747972), (186120, 3435641), (204732, 3123310), (227480, 2810979), (255915, 2498648), (312331, 2047320), (341220, 1873986), (409464, 1561655), (511830, 1249324), (624662, 1023660), (682440, 936993)]