31463880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{5351}}^1$

素因数の和:5379

約数の個数: 96

約数和(自身を含む): 109823040

約数和(自身を除く): 78359160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5351, 5880, 10702, 16053, 21404, 26755, 32106, 37457, 42808, 53510, 64212, 74914, 80265, 107020, 112371, 128424, 149828, 160530, 187285, 214040, 224742, 262199, 299656, 321060, 374570, 449484, 524398, 561855, 642120, 749140, 786597, 898968, 1048796, 1123710, 1310995, 1498280, 1573194, 2097592, 2247420, 2621990, 3146388, 3932985, 4494840, 5243980, 6292776, 7865970, 10487960, 15731940, 31463880]

約数ペア:

[(1, 31463880), (2, 15731940), (3, 10487960), (4, 7865970), (5, 6292776), (6, 5243980), (7, 4494840), (8, 3932985), (10, 3146388), (12, 2621990), (14, 2247420), (15, 2097592), (20, 1573194), (21, 1498280), (24, 1310995), (28, 1123710), (30, 1048796), (35, 898968), (40, 786597), (42, 749140), (49, 642120), (56, 561855), (60, 524398), (70, 449484), (84, 374570), (98, 321060), (105, 299656), (120, 262199), (140, 224742), (147, 214040), (168, 187285), (196, 160530), (210, 149828), (245, 128424), (280, 112371), (294, 107020), (392, 80265), (420, 74914), (490, 64212), (588, 53510), (735, 42808), (840, 37457), (980, 32106), (1176, 26755), (1470, 21404), (1960, 16053), (2940, 10702), (5351, 5880)]