255589880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1433}}^1$

素因数の和:1478

約数の個数: 128

約数和(自身を含む): 722736000

約数和(自身を除く): 467146120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 364, 392, 455, 490, 520, 637, 686, 728, 910, 980, 1274, 1372, 1433, 1715, 1820, 1960, 2548, 2744, 2866, 3185, 3430, 3640, 4459, 5096, 5732, 6370, 6860, 7165, 8918, 10031, 11464, 12740, 13720, 14330, 17836, 18629, 20062, 22295, 25480, 28660, 35672, 37258, 40124, 44590, 50155, 57320, 70217, 74516, 80248, 89180, 93145, 100310, 130403, 140434, 149032, 178360, 186290, 200620, 260806, 280868, 351085, 372580, 401240, 491519, 521612, 561736, 652015, 702170, 745160, 912821, 983038, 1043224, 1304030, 1404340, 1825642, 1966076, 2457595, 2608060, 2808680, 3651284, 3932152, 4564105, 4915190, 5216120, 6389747, 7302568, 9128210, 9830380, 12779494, 18256420, 19660760, 25558988, 31948735, 36512840, 51117976, 63897470, 127794940, 255589880]

約数ペア:

[(1, 255589880), (2, 127794940), (4, 63897470), (5, 51117976), (7, 36512840), (8, 31948735), (10, 25558988), (13, 19660760), (14, 18256420), (20, 12779494), (26, 9830380), (28, 9128210), (35, 7302568), (40, 6389747), (49, 5216120), (52, 4915190), (56, 4564105), (65, 3932152), (70, 3651284), (91, 2808680), (98, 2608060), (104, 2457595), (130, 1966076), (140, 1825642), (182, 1404340), (196, 1304030), (245, 1043224), (260, 983038), (280, 912821), (343, 745160), (364, 702170), (392, 652015), (455, 561736), (490, 521612), (520, 491519), (637, 401240), (686, 372580), (728, 351085), (910, 280868), (980, 260806), (1274, 200620), (1372, 186290), (1433, 178360), (1715, 149032), (1820, 140434), (1960, 130403), (2548, 100310), (2744, 93145), (2866, 89180), (3185, 80248), (3430, 74516), (3640, 70217), (4459, 57320), (5096, 50155), (5732, 44590), (6370, 40124), (6860, 37258), (7165, 35672), (8918, 28660), (10031, 25480), (11464, 22295), (12740, 20062), (13720, 18629), (14330, 17836)]