31971720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 106842240

約数和(自身を除く): 74870520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 53, 55, 60, 66, 88, 106, 110, 120, 132, 159, 165, 212, 220, 264, 265, 318, 330, 424, 440, 457, 530, 583, 636, 660, 795, 914, 1060, 1166, 1272, 1320, 1371, 1590, 1749, 1828, 2120, 2285, 2332, 2742, 2915, 3180, 3498, 3656, 4570, 4664, 5027, 5484, 5830, 6360, 6855, 6996, 8745, 9140, 10054, 10968, 11660, 13710, 13992, 15081, 17490, 18280, 20108, 23320, 24221, 25135, 27420, 30162, 34980, 40216, 48442, 50270, 54840, 60324, 69960, 72663, 75405, 96884, 100540, 120648, 121105, 145326, 150810, 193768, 201080, 242210, 266431, 290652, 301620, 363315, 484420, 532862, 581304, 603240, 726630, 799293, 968840, 1065724, 1332155, 1453260, 1598586, 2131448, 2664310, 2906520, 3197172, 3996465, 5328620, 6394344, 7992930, 10657240, 15985860, 31971720]

約数ペア:

[(1, 31971720), (2, 15985860), (3, 10657240), (4, 7992930), (5, 6394344), (6, 5328620), (8, 3996465), (10, 3197172), (11, 2906520), (12, 2664310), (15, 2131448), (20, 1598586), (22, 1453260), (24, 1332155), (30, 1065724), (33, 968840), (40, 799293), (44, 726630), (53, 603240), (55, 581304), (60, 532862), (66, 484420), (88, 363315), (106, 301620), (110, 290652), (120, 266431), (132, 242210), (159, 201080), (165, 193768), (212, 150810), (220, 145326), (264, 121105), (265, 120648), (318, 100540), (330, 96884), (424, 75405), (440, 72663), (457, 69960), (530, 60324), (583, 54840), (636, 50270), (660, 48442), (795, 40216), (914, 34980), (1060, 30162), (1166, 27420), (1272, 25135), (1320, 24221), (1371, 23320), (1590, 20108), (1749, 18280), (1828, 17490), (2120, 15081), (2285, 13992), (2332, 13710), (2742, 11660), (2915, 10968), (3180, 10054), (3498, 9140), (3656, 8745), (4570, 6996), (4664, 6855), (5027, 6360), (5484, 5830)]