28209437880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{488729}}^1$

素因数の和:488793

約数の個数: 128

約数和(自身を含む): 93601569600

約数和(自身を除く): 65392131720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4810, 5772, 7215, 9620, 11544, 14430, 19240, 28860, 57720, 488729, 977458, 1466187, 1954916, 2443645, 2932374, 3909832, 4887290, 5864748, 6353477, 7330935, 9774580, 11729496, 12706954, 14661870, 18082973, 19060431, 19549160, 25413908, 29323740, 31767385, 36165946, 38120862, 50827816, 54248919, 58647480, 63534770, 72331892, 76241724, 90414865, 95302155, 108497838, 127069540, 144663784, 152483448, 180829730, 190604310, 216995676, 235078649, 254139080, 271244595, 361659460, 381208620, 433991352, 470157298, 542489190, 705235947, 723318920, 762417240, 940314596, 1084978380, 1175393245, 1410471894, 1880629192, 2169956760, 2350786490, 2820943788, 3526179735, 4701572980, 5641887576, 7052359470, 9403145960, 14104718940, 28209437880]

約数ペア:

[(1, 28209437880), (2, 14104718940), (3, 9403145960), (4, 7052359470), (5, 5641887576), (6, 4701572980), (8, 3526179735), (10, 2820943788), (12, 2350786490), (13, 2169956760), (15, 1880629192), (20, 1410471894), (24, 1175393245), (26, 1084978380), (30, 940314596), (37, 762417240), (39, 723318920), (40, 705235947), (52, 542489190), (60, 470157298), (65, 433991352), (74, 381208620), (78, 361659460), (104, 271244595), (111, 254139080), (120, 235078649), (130, 216995676), (148, 190604310), (156, 180829730), (185, 152483448), (195, 144663784), (222, 127069540), (260, 108497838), (296, 95302155), (312, 90414865), (370, 76241724), (390, 72331892), (444, 63534770), (481, 58647480), (520, 54248919), (555, 50827816), (740, 38120862), (780, 36165946), (888, 31767385), (962, 29323740), (1110, 25413908), (1443, 19549160), (1480, 19060431), (1560, 18082973), (1924, 14661870), (2220, 12706954), (2405, 11729496), (2886, 9774580), (3848, 7330935), (4440, 6353477), (4810, 5864748), (5772, 4887290), (7215, 3909832), (9620, 2932374), (11544, 2443645), (14430, 1954916), (19240, 1466187), (28860, 977458), (57720, 488729)]