65863980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4021}}^1$

素因数の和:4056

約数の個数: 144

約数和(自身を含む): 245953344

約数和(自身を除く): 180089364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4021, 4095, 5460, 8042, 8190, 12063, 16084, 16380, 20105, 24126, 28147, 36189, 40210, 48252, 52273, 56294, 60315, 72378, 80420, 84441, 104546, 112588, 120630, 140735, 144756, 156819, 168882, 180945, 209092, 241260, 253323, 261365, 281470, 313638, 337764, 361890, 365911, 422205, 470457, 506646, 522730, 562940, 627276, 723780, 731822, 784095, 844410, 940914, 1013292, 1045460, 1097733, 1266615, 1463644, 1568190, 1688820, 1829555, 1881828, 2195466, 2352285, 2533230, 3136380, 3293199, 3659110, 4390932, 4704570, 5066460, 5488665, 6586398, 7318220, 9409140, 10977330, 13172796, 16465995, 21954660, 32931990, 65863980]

約数ペア:

[(1, 65863980), (2, 32931990), (3, 21954660), (4, 16465995), (5, 13172796), (6, 10977330), (7, 9409140), (9, 7318220), (10, 6586398), (12, 5488665), (13, 5066460), (14, 4704570), (15, 4390932), (18, 3659110), (20, 3293199), (21, 3136380), (26, 2533230), (28, 2352285), (30, 2195466), (35, 1881828), (36, 1829555), (39, 1688820), (42, 1568190), (45, 1463644), (52, 1266615), (60, 1097733), (63, 1045460), (65, 1013292), (70, 940914), (78, 844410), (84, 784095), (90, 731822), (91, 723780), (105, 627276), (117, 562940), (126, 522730), (130, 506646), (140, 470457), (156, 422205), (180, 365911), (182, 361890), (195, 337764), (210, 313638), (234, 281470), (252, 261365), (260, 253323), (273, 241260), (315, 209092), (364, 180945), (390, 168882), (420, 156819), (455, 144756), (468, 140735), (546, 120630), (585, 112588), (630, 104546), (780, 84441), (819, 80420), (910, 72378), (1092, 60315), (1170, 56294), (1260, 52273), (1365, 48252), (1638, 40210), (1820, 36189), (2340, 28147), (2730, 24126), (3276, 20105), (4021, 16380), (4095, 16084), (5460, 12063), (8042, 8190)]