72861960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31957}}^1$

素因数の和:31990

約数の個数: 64

約数和(自身を含む): 230097600

約数和(自身を除く): 157235640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 31957, 63914, 95871, 127828, 159785, 191742, 255656, 319570, 383484, 479355, 607183, 639140, 766968, 958710, 1214366, 1278280, 1821549, 1917420, 2428732, 3035915, 3643098, 3834840, 4857464, 6071830, 7286196, 9107745, 12143660, 14572392, 18215490, 24287320, 36430980, 72861960]

約数ペア:

[(1, 72861960), (2, 36430980), (3, 24287320), (4, 18215490), (5, 14572392), (6, 12143660), (8, 9107745), (10, 7286196), (12, 6071830), (15, 4857464), (19, 3834840), (20, 3643098), (24, 3035915), (30, 2428732), (38, 1917420), (40, 1821549), (57, 1278280), (60, 1214366), (76, 958710), (95, 766968), (114, 639140), (120, 607183), (152, 479355), (190, 383484), (228, 319570), (285, 255656), (380, 191742), (456, 159785), (570, 127828), (760, 95871), (1140, 63914), (2280, 31957)]