1638127440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{7411}}^1$

素因数の和:7737

約数の個数: 120

約数和(自身を含む): 5520042528

約数和(自身を除く): 3881915088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 307, 360, 614, 720, 921, 1228, 1535, 1842, 2456, 2763, 3070, 3684, 4605, 4912, 5526, 6140, 7368, 7411, 9210, 11052, 12280, 13815, 14736, 14822, 18420, 22104, 22233, 24560, 27630, 29644, 36840, 37055, 44208, 44466, 55260, 59288, 66699, 73680, 74110, 88932, 110520, 111165, 118576, 133398, 148220, 177864, 221040, 222330, 266796, 296440, 333495, 355728, 444660, 533592, 592880, 666990, 889320, 1067184, 1333980, 1778640, 2275177, 2667960, 4550354, 5335920, 6825531, 9100708, 11375885, 13651062, 18201416, 20476593, 22751770, 27302124, 34127655, 36402832, 40953186, 45503540, 54604248, 68255310, 81906372, 91007080, 102382965, 109208496, 136510620, 163812744, 182014160, 204765930, 273021240, 327625488, 409531860, 546042480, 819063720, 1638127440]

約数ペア:

[(1, 1638127440), (2, 819063720), (3, 546042480), (4, 409531860), (5, 327625488), (6, 273021240), (8, 204765930), (9, 182014160), (10, 163812744), (12, 136510620), (15, 109208496), (16, 102382965), (18, 91007080), (20, 81906372), (24, 68255310), (30, 54604248), (36, 45503540), (40, 40953186), (45, 36402832), (48, 34127655), (60, 27302124), (72, 22751770), (80, 20476593), (90, 18201416), (120, 13651062), (144, 11375885), (180, 9100708), (240, 6825531), (307, 5335920), (360, 4550354), (614, 2667960), (720, 2275177), (921, 1778640), (1228, 1333980), (1535, 1067184), (1842, 889320), (2456, 666990), (2763, 592880), (3070, 533592), (3684, 444660), (4605, 355728), (4912, 333495), (5526, 296440), (6140, 266796), (7368, 222330), (7411, 221040), (9210, 177864), (11052, 148220), (12280, 133398), (13815, 118576), (14736, 111165), (14822, 110520), (18420, 88932), (22104, 74110), (22233, 73680), (24560, 66699), (27630, 59288), (29644, 55260), (36840, 44466), (37055, 44208)]