81193617960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1\times {\mathrm{5167}}^1$

素因数の和:6640

約数の個数: 256

約数和(自身を含む): 300058214400

約数和(自身を除く): 218864596440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1439, 1560, 1820, 2184, 2730, 2878, 3640, 4317, 5167, 5460, 5756, 7195, 8634, 10073, 10334, 10920, 11512, 14390, 15501, 17268, 18707, 20146, 20668, 21585, 25835, 28780, 30219, 31002, 34536, 36169, 37414, 40292, 41336, 43170, 50365, 51670, 56121, 57560, 60438, 62004, 67171, 72338, 74828, 77505, 80584, 86340, 93535, 100730, 103340, 108507, 112242, 120876, 124008, 130949, 134342, 144676, 149656, 151095, 155010, 172680, 180845, 187070, 201460, 201513, 206680, 217014, 224484, 241752, 261898, 268684, 280605, 289352, 302190, 310020, 335855, 361690, 374140, 392847, 402920, 403026, 434028, 448968, 470197, 523796, 537368, 542535, 561210, 604380, 620040, 654745, 671710, 723380, 748280, 785694, 806052, 868056, 940394, 1007565, 1047592, 1085070, 1122420, 1208760, 1309490, 1343420, 1410591, 1446760, 1571388, 1612104, 1880788, 1964235, 2015130, 2170140, 2244840, 2350985, 2618980, 2686840, 2821182, 3142776, 3761576, 3928470, 4030260, 4340280, 4701970, 5237960, 5642364, 7052955, 7435313, 7856940, 8060520, 9403940, 11284728, 14105910, 14870626, 15713880, 18807880, 22305939, 28211820, 29741252, 37176565, 44611878, 52047191, 56423640, 59482504, 74353130, 89223756, 96659069, 104094382, 111529695, 148706260, 156141573, 178447512, 193318138, 208188764, 223059390, 260235955, 289977207, 297412520, 312283146, 386636276, 416377528, 446118780, 483295345, 520471910, 579954414, 624566292, 676613483, 773272552, 780707865, 892237560, 966590690, 1040943820, 1159908828, 1249132584, 1353226966, 1449886035, 1561415730, 1933181380, 2029840449, 2081887640, 2319817656, 2706453932, 2899772070, 3122831460, 3383067415, 3866362760, 4059680898, 5412907864, 5799544140, 6245662920, 6766134830, 8119361796, 10149202245, 11599088280, 13532269660, 16238723592, 20298404490, 27064539320, 40596808980, 81193617960]

約数ペア:

[(1, 81193617960), (2, 40596808980), (3, 27064539320), (4, 20298404490), (5, 16238723592), (6, 13532269660), (7, 11599088280), (8, 10149202245), (10, 8119361796), (12, 6766134830), (13, 6245662920), (14, 5799544140), (15, 5412907864), (20, 4059680898), (21, 3866362760), (24, 3383067415), (26, 3122831460), (28, 2899772070), (30, 2706453932), (35, 2319817656), (39, 2081887640), (40, 2029840449), (42, 1933181380), (52, 1561415730), (56, 1449886035), (60, 1353226966), (65, 1249132584), (70, 1159908828), (78, 1040943820), (84, 966590690), (91, 892237560), (104, 780707865), (105, 773272552), (120, 676613483), (130, 624566292), (140, 579954414), (156, 520471910), (168, 483295345), (182, 446118780), (195, 416377528), (210, 386636276), (260, 312283146), (273, 297412520), (280, 289977207), (312, 260235955), (364, 223059390), (390, 208188764), (420, 193318138), (455, 178447512), (520, 156141573), (546, 148706260), (728, 111529695), (780, 104094382), (840, 96659069), (910, 89223756), (1092, 74353130), (1365, 59482504), (1439, 56423640), (1560, 52047191), (1820, 44611878), (2184, 37176565), (2730, 29741252), (2878, 28211820), (3640, 22305939), (4317, 18807880), (5167, 15713880), (5460, 14870626), (5756, 14105910), (7195, 11284728), (8634, 9403940), (10073, 8060520), (10334, 7856940), (10920, 7435313), (11512, 7052955), (14390, 5642364), (15501, 5237960), (17268, 4701970), (18707, 4340280), (20146, 4030260), (20668, 3928470), (21585, 3761576), (25835, 3142776), (28780, 2821182), (30219, 2686840), (31002, 2618980), (34536, 2350985), (36169, 2244840), (37414, 2170140), (40292, 2015130), (41336, 1964235), (43170, 1880788), (50365, 1612104), (51670, 1571388), (56121, 1446760), (57560, 1410591), (60438, 1343420), (62004, 1309490), (67171, 1208760), (72338, 1122420), (74828, 1085070), (77505, 1047592), (80584, 1007565), (86340, 940394), (93535, 868056), (100730, 806052), (103340, 785694), (108507, 748280), (112242, 723380), (120876, 671710), (124008, 654745), (130949, 620040), (134342, 604380), (144676, 561210), (149656, 542535), (151095, 537368), (155010, 523796), (172680, 470197), (180845, 448968), (187070, 434028), (201460, 403026), (201513, 402920), (206680, 392847), (217014, 374140), (224484, 361690), (241752, 335855), (261898, 310020), (268684, 302190), (280605, 289352)]