80688790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 186157440

約数和(自身を除く): 105468650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 53, 65, 70, 91, 98, 106, 130, 182, 239, 245, 265, 371, 455, 478, 490, 530, 637, 689, 742, 910, 1195, 1274, 1378, 1673, 1855, 2390, 2597, 3107, 3185, 3346, 3445, 3710, 4823, 5194, 6214, 6370, 6890, 8365, 9646, 11711, 12667, 12985, 15535, 16730, 21749, 23422, 24115, 25334, 25970, 31070, 33761, 43498, 48230, 58555, 63335, 67522, 88669, 108745, 117110, 126670, 152243, 164671, 168805, 177338, 217490, 304486, 329342, 337610, 443345, 620683, 761215, 823355, 886690, 1152697, 1241366, 1522430, 1646710, 2305394, 3103415, 5763485, 6206830, 8068879, 11526970, 16137758, 40344395, 80688790]

約数ペア:

[(1, 80688790), (2, 40344395), (5, 16137758), (7, 11526970), (10, 8068879), (13, 6206830), (14, 5763485), (26, 3103415), (35, 2305394), (49, 1646710), (53, 1522430), (65, 1241366), (70, 1152697), (91, 886690), (98, 823355), (106, 761215), (130, 620683), (182, 443345), (239, 337610), (245, 329342), (265, 304486), (371, 217490), (455, 177338), (478, 168805), (490, 164671), (530, 152243), (637, 126670), (689, 117110), (742, 108745), (910, 88669), (1195, 67522), (1274, 63335), (1378, 58555), (1673, 48230), (1855, 43498), (2390, 33761), (2597, 31070), (3107, 25970), (3185, 25334), (3346, 24115), (3445, 23422), (3710, 21749), (4823, 16730), (5194, 15535), (6214, 12985), (6370, 12667), (6890, 11711), (8365, 9646)]