31007760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18457}}^1$

素因数の和:18480

約数の個数: 80

約数和(自身を含む): 109862016

約数和(自身を除く): 78854256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18457, 36914, 55371, 73828, 92285, 110742, 129199, 147656, 184570, 221484, 258398, 276855, 295312, 369140, 387597, 442968, 516796, 553710, 645995, 738280, 775194, 885936, 1033592, 1107420, 1291990, 1476560, 1550388, 1937985, 2067184, 2214840, 2583980, 3100776, 3875970, 4429680, 5167960, 6201552, 7751940, 10335920, 15503880, 31007760]

約数ペア:

[(1, 31007760), (2, 15503880), (3, 10335920), (4, 7751940), (5, 6201552), (6, 5167960), (7, 4429680), (8, 3875970), (10, 3100776), (12, 2583980), (14, 2214840), (15, 2067184), (16, 1937985), (20, 1550388), (21, 1476560), (24, 1291990), (28, 1107420), (30, 1033592), (35, 885936), (40, 775194), (42, 738280), (48, 645995), (56, 553710), (60, 516796), (70, 442968), (80, 387597), (84, 369140), (105, 295312), (112, 276855), (120, 258398), (140, 221484), (168, 184570), (210, 147656), (240, 129199), (280, 110742), (336, 92285), (420, 73828), (560, 55371), (840, 36914), (1680, 18457)]