40379640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 141212160

約数和(自身を除く): 100832520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 907, 1060, 1113, 1272, 1484, 1590, 1814, 1855, 2120, 2226, 2721, 2968, 3180, 3628, 3710, 4452, 4535, 5442, 5565, 6349, 6360, 7256, 7420, 8904, 9070, 10884, 11130, 12698, 13605, 14840, 18140, 19047, 21768, 22260, 25396, 27210, 31745, 36280, 38094, 44520, 48071, 50792, 54420, 63490, 76188, 95235, 96142, 108840, 126980, 144213, 152376, 190470, 192284, 240355, 253960, 288426, 336497, 380940, 384568, 480710, 576852, 672994, 721065, 761880, 961420, 1009491, 1153704, 1345988, 1442130, 1682485, 1922840, 2018982, 2691976, 2884260, 3364970, 4037964, 5047455, 5768520, 6729940, 8075928, 10094910, 13459880, 20189820, 40379640]

約数ペア:

[(1, 40379640), (2, 20189820), (3, 13459880), (4, 10094910), (5, 8075928), (6, 6729940), (7, 5768520), (8, 5047455), (10, 4037964), (12, 3364970), (14, 2884260), (15, 2691976), (20, 2018982), (21, 1922840), (24, 1682485), (28, 1442130), (30, 1345988), (35, 1153704), (40, 1009491), (42, 961420), (53, 761880), (56, 721065), (60, 672994), (70, 576852), (84, 480710), (105, 384568), (106, 380940), (120, 336497), (140, 288426), (159, 253960), (168, 240355), (210, 192284), (212, 190470), (265, 152376), (280, 144213), (318, 126980), (371, 108840), (420, 96142), (424, 95235), (530, 76188), (636, 63490), (742, 54420), (795, 50792), (840, 48071), (907, 44520), (1060, 38094), (1113, 36280), (1272, 31745), (1484, 27210), (1590, 25396), (1814, 22260), (1855, 21768), (2120, 19047), (2226, 18140), (2721, 14840), (2968, 13605), (3180, 12698), (3628, 11130), (3710, 10884), (4452, 9070), (4535, 8904), (5442, 7420), (5565, 7256), (6349, 6360)]