79578460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 192628800

約数和(自身を除く): 113050340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 89, 95, 130, 178, 181, 190, 247, 260, 356, 362, 380, 445, 494, 724, 890, 905, 988, 1157, 1235, 1691, 1780, 1810, 2314, 2353, 2470, 3382, 3439, 3620, 4628, 4706, 4940, 5785, 6764, 6878, 8455, 9412, 11570, 11765, 13756, 16109, 16910, 17195, 21983, 23140, 23530, 32218, 33820, 34390, 43966, 44707, 47060, 64436, 68780, 80545, 87932, 89414, 109915, 161090, 178828, 209417, 219830, 223535, 306071, 322180, 418834, 439660, 447070, 612142, 837668, 894140, 1047085, 1224284, 1530355, 2094170, 3060710, 3978923, 4188340, 6121420, 7957846, 15915692, 19894615, 39789230, 79578460]

約数ペア:

[(1, 79578460), (2, 39789230), (4, 19894615), (5, 15915692), (10, 7957846), (13, 6121420), (19, 4188340), (20, 3978923), (26, 3060710), (38, 2094170), (52, 1530355), (65, 1224284), (76, 1047085), (89, 894140), (95, 837668), (130, 612142), (178, 447070), (181, 439660), (190, 418834), (247, 322180), (260, 306071), (356, 223535), (362, 219830), (380, 209417), (445, 178828), (494, 161090), (724, 109915), (890, 89414), (905, 87932), (988, 80545), (1157, 68780), (1235, 64436), (1691, 47060), (1780, 44707), (1810, 43966), (2314, 34390), (2353, 33820), (2470, 32218), (3382, 23530), (3439, 23140), (3620, 21983), (4628, 17195), (4706, 16910), (4940, 16109), (5785, 13756), (6764, 11765), (6878, 11570), (8455, 9412)]