72478920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 159764280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 114, 120, 152, 166, 190, 228, 249, 285, 332, 380, 383, 415, 456, 498, 570, 664, 760, 766, 830, 996, 1140, 1149, 1245, 1532, 1577, 1660, 1915, 1992, 2280, 2298, 2490, 3064, 3154, 3320, 3830, 4596, 4731, 4980, 5745, 6308, 7277, 7660, 7885, 9192, 9462, 9960, 11490, 12616, 14554, 15320, 15770, 18924, 21831, 22980, 23655, 29108, 31540, 31789, 36385, 37848, 43662, 45960, 47310, 58216, 63080, 63578, 72770, 87324, 94620, 95367, 109155, 127156, 145540, 158945, 174648, 189240, 190734, 218310, 254312, 291080, 317890, 381468, 436620, 476835, 603991, 635780, 762936, 873240, 953670, 1207982, 1271560, 1811973, 1907340, 2415964, 3019955, 3623946, 3814680, 4831928, 6039910, 7247892, 9059865, 12079820, 14495784, 18119730, 24159640, 36239460, 72478920]

約数ペア:

[(1, 72478920), (2, 36239460), (3, 24159640), (4, 18119730), (5, 14495784), (6, 12079820), (8, 9059865), (10, 7247892), (12, 6039910), (15, 4831928), (19, 3814680), (20, 3623946), (24, 3019955), (30, 2415964), (38, 1907340), (40, 1811973), (57, 1271560), (60, 1207982), (76, 953670), (83, 873240), (95, 762936), (114, 635780), (120, 603991), (152, 476835), (166, 436620), (190, 381468), (228, 317890), (249, 291080), (285, 254312), (332, 218310), (380, 190734), (383, 189240), (415, 174648), (456, 158945), (498, 145540), (570, 127156), (664, 109155), (760, 95367), (766, 94620), (830, 87324), (996, 72770), (1140, 63578), (1149, 63080), (1245, 58216), (1532, 47310), (1577, 45960), (1660, 43662), (1915, 37848), (1992, 36385), (2280, 31789), (2298, 31540), (2490, 29108), (3064, 23655), (3154, 22980), (3320, 21831), (3830, 18924), (4596, 15770), (4731, 15320), (4980, 14554), (5745, 12616), (6308, 11490), (7277, 9960), (7660, 9462), (7885, 9192)]