65729580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 217566720

約数和(自身を除く): 151837140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 283, 294, 316, 395, 420, 474, 490, 553, 566, 588, 735, 790, 849, 948, 980, 1106, 1132, 1185, 1415, 1470, 1580, 1659, 1698, 1981, 2212, 2370, 2765, 2830, 2940, 3318, 3396, 3871, 3962, 4245, 4740, 5530, 5660, 5943, 6636, 7742, 7924, 8295, 8490, 9905, 11060, 11613, 11886, 13867, 15484, 16590, 16980, 19355, 19810, 22357, 23226, 23772, 27734, 29715, 33180, 38710, 39620, 41601, 44714, 46452, 55468, 58065, 59430, 67071, 69335, 77420, 83202, 89428, 111785, 116130, 118860, 134142, 138670, 156499, 166404, 208005, 223570, 232260, 268284, 277340, 312998, 335355, 416010, 447140, 469497, 625996, 670710, 782495, 832020, 938994, 1095493, 1341420, 1564990, 1877988, 2190986, 2347485, 3129980, 3286479, 4381972, 4694970, 5477465, 6572958, 9389940, 10954930, 13145916, 16432395, 21909860, 32864790, 65729580]

約数ペア:

[(1, 65729580), (2, 32864790), (3, 21909860), (4, 16432395), (5, 13145916), (6, 10954930), (7, 9389940), (10, 6572958), (12, 5477465), (14, 4694970), (15, 4381972), (20, 3286479), (21, 3129980), (28, 2347485), (30, 2190986), (35, 1877988), (42, 1564990), (49, 1341420), (60, 1095493), (70, 938994), (79, 832020), (84, 782495), (98, 670710), (105, 625996), (140, 469497), (147, 447140), (158, 416010), (196, 335355), (210, 312998), (237, 277340), (245, 268284), (283, 232260), (294, 223570), (316, 208005), (395, 166404), (420, 156499), (474, 138670), (490, 134142), (553, 118860), (566, 116130), (588, 111785), (735, 89428), (790, 83202), (849, 77420), (948, 69335), (980, 67071), (1106, 59430), (1132, 58065), (1185, 55468), (1415, 46452), (1470, 44714), (1580, 41601), (1659, 39620), (1698, 38710), (1981, 33180), (2212, 29715), (2370, 27734), (2765, 23772), (2830, 23226), (2940, 22357), (3318, 19810), (3396, 19355), (3871, 16980), (3962, 16590), (4245, 15484), (4740, 13867), (5530, 11886), (5660, 11613), (5943, 11060), (6636, 9905), (7742, 8490), (7924, 8295)]