891830320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8363}}^1$

素因数の和:8450

約数の個数: 80

約数和(自身を含む): 2190431232

約数和(自身を除く): 1298600912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 5332, 6665, 8363, 10664, 13330, 16726, 21328, 26660, 33452, 41815, 53320, 66904, 83630, 106640, 133808, 167260, 259253, 334520, 359609, 518506, 669040, 719218, 1037012, 1296265, 1438436, 1798045, 2074024, 2592530, 2876872, 3596090, 4148048, 5185060, 5753744, 7192180, 10370120, 11147879, 14384360, 20740240, 22295758, 28768720, 44591516, 55739395, 89183032, 111478790, 178366064, 222957580, 445915160, 891830320]

約数ペア:

[(1, 891830320), (2, 445915160), (4, 222957580), (5, 178366064), (8, 111478790), (10, 89183032), (16, 55739395), (20, 44591516), (31, 28768720), (40, 22295758), (43, 20740240), (62, 14384360), (80, 11147879), (86, 10370120), (124, 7192180), (155, 5753744), (172, 5185060), (215, 4148048), (248, 3596090), (310, 2876872), (344, 2592530), (430, 2074024), (496, 1798045), (620, 1438436), (688, 1296265), (860, 1037012), (1240, 719218), (1333, 669040), (1720, 518506), (2480, 359609), (2666, 334520), (3440, 259253), (5332, 167260), (6665, 133808), (8363, 106640), (10664, 83630), (13330, 66904), (16726, 53320), (21328, 41815), (26660, 33452)]