64245320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 150534720

約数和(自身を除く): 86289400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 296, 332, 370, 415, 523, 664, 740, 830, 1046, 1480, 1660, 2092, 2615, 3071, 3320, 4184, 5230, 6142, 10460, 12284, 15355, 19351, 20920, 24568, 30710, 38702, 43409, 61420, 77404, 86818, 96755, 122840, 154808, 173636, 193510, 217045, 347272, 387020, 434090, 774040, 868180, 1606133, 1736360, 3212266, 6424532, 8030665, 12849064, 16061330, 32122660, 64245320]

約数ペア:

[(1, 64245320), (2, 32122660), (4, 16061330), (5, 12849064), (8, 8030665), (10, 6424532), (20, 3212266), (37, 1736360), (40, 1606133), (74, 868180), (83, 774040), (148, 434090), (166, 387020), (185, 347272), (296, 217045), (332, 193510), (370, 173636), (415, 154808), (523, 122840), (664, 96755), (740, 86818), (830, 77404), (1046, 61420), (1480, 43409), (1660, 38702), (2092, 30710), (2615, 24568), (3071, 20920), (3320, 19351), (4184, 15355), (5230, 12284), (6142, 10460)]