249891720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3975

約数の個数: 128

約数和(自身を含む): 827245440

約数和(自身を除く): 577353720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 780, 820, 984, 1066, 1230, 1560, 1599, 1640, 2132, 2460, 2665, 3198, 3907, 4264, 4920, 5330, 6396, 7814, 7995, 10660, 11721, 12792, 15628, 15990, 19535, 21320, 23442, 31256, 31980, 39070, 46884, 50791, 58605, 63960, 78140, 93768, 101582, 117210, 152373, 156280, 160187, 203164, 234420, 253955, 304746, 320374, 406328, 468840, 480561, 507910, 609492, 640748, 761865, 800935, 961122, 1015820, 1218984, 1281496, 1523730, 1601870, 1922244, 2031640, 2082431, 2402805, 3047460, 3203740, 3844488, 4164862, 4805610, 6094920, 6247293, 6407480, 8329724, 9611220, 10412155, 12494586, 16659448, 19222440, 20824310, 24989172, 31236465, 41648620, 49978344, 62472930, 83297240, 124945860, 249891720]

約数ペア:

[(1, 249891720), (2, 124945860), (3, 83297240), (4, 62472930), (5, 49978344), (6, 41648620), (8, 31236465), (10, 24989172), (12, 20824310), (13, 19222440), (15, 16659448), (20, 12494586), (24, 10412155), (26, 9611220), (30, 8329724), (39, 6407480), (40, 6247293), (41, 6094920), (52, 4805610), (60, 4164862), (65, 3844488), (78, 3203740), (82, 3047460), (104, 2402805), (120, 2082431), (123, 2031640), (130, 1922244), (156, 1601870), (164, 1523730), (195, 1281496), (205, 1218984), (246, 1015820), (260, 961122), (312, 800935), (328, 761865), (390, 640748), (410, 609492), (492, 507910), (520, 480561), (533, 468840), (615, 406328), (780, 320374), (820, 304746), (984, 253955), (1066, 234420), (1230, 203164), (1560, 160187), (1599, 156280), (1640, 152373), (2132, 117210), (2460, 101582), (2665, 93768), (3198, 78140), (3907, 63960), (4264, 58605), (4920, 50791), (5330, 46884), (6396, 39070), (7814, 31980), (7995, 31256), (10660, 23442), (11721, 21320), (12792, 19535), (15628, 15990)]