207176720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 501634560

約数和(自身を除く): 294457840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 496, 556, 601, 620, 695, 1112, 1202, 1240, 1390, 2224, 2404, 2480, 2780, 3005, 4309, 4808, 5560, 6010, 8618, 9616, 11120, 12020, 17236, 18631, 21545, 24040, 34472, 37262, 43090, 48080, 68944, 74524, 83539, 86180, 93155, 149048, 167078, 172360, 186310, 298096, 334156, 344720, 372620, 417695, 668312, 745240, 835390, 1336624, 1490480, 1670780, 2589709, 3341560, 5179418, 6683120, 10358836, 12948545, 20717672, 25897090, 41435344, 51794180, 103588360, 207176720]

約数ペア:

[(1, 207176720), (2, 103588360), (4, 51794180), (5, 41435344), (8, 25897090), (10, 20717672), (16, 12948545), (20, 10358836), (31, 6683120), (40, 5179418), (62, 3341560), (80, 2589709), (124, 1670780), (139, 1490480), (155, 1336624), (248, 835390), (278, 745240), (310, 668312), (496, 417695), (556, 372620), (601, 344720), (620, 334156), (695, 298096), (1112, 186310), (1202, 172360), (1240, 167078), (1390, 149048), (2224, 93155), (2404, 86180), (2480, 83539), (2780, 74524), (3005, 68944), (4309, 48080), (4808, 43090), (5560, 37262), (6010, 34472), (8618, 24040), (9616, 21545), (11120, 18631), (12020, 17236)]