82721940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2321

約数の個数: 96

約数和(自身を含む): 267805440

約数和(自身を除く): 185083500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 2213, 2492, 2670, 3115, 3738, 4426, 5340, 6230, 6639, 7476, 8852, 9345, 11065, 12460, 13278, 15491, 18690, 22130, 26556, 30982, 33195, 37380, 44260, 46473, 61964, 66390, 77455, 92946, 132780, 154910, 185892, 196957, 232365, 309820, 393914, 464730, 590871, 787828, 929460, 984785, 1181742, 1378699, 1969570, 2363484, 2757398, 2954355, 3939140, 4136097, 5514796, 5908710, 6893495, 8272194, 11817420, 13786990, 16544388, 20680485, 27573980, 41360970, 82721940]

約数ペア:

[(1, 82721940), (2, 41360970), (3, 27573980), (4, 20680485), (5, 16544388), (6, 13786990), (7, 11817420), (10, 8272194), (12, 6893495), (14, 5908710), (15, 5514796), (20, 4136097), (21, 3939140), (28, 2954355), (30, 2757398), (35, 2363484), (42, 1969570), (60, 1378699), (70, 1181742), (84, 984785), (89, 929460), (105, 787828), (140, 590871), (178, 464730), (210, 393914), (267, 309820), (356, 232365), (420, 196957), (445, 185892), (534, 154910), (623, 132780), (890, 92946), (1068, 77455), (1246, 66390), (1335, 61964), (1780, 46473), (1869, 44260), (2213, 37380), (2492, 33195), (2670, 30982), (3115, 26556), (3738, 22130), (4426, 18690), (5340, 15491), (6230, 13278), (6639, 12460), (7476, 11065), (8852, 9345)]