207685120

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2671

約数の個数: 80

約数和(自身を含む): 514217088

約数和(自身を除く): 306531968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 2617, 3968, 4960, 5234, 7936, 9920, 10468, 13085, 15872, 19840, 20936, 26170, 39680, 41872, 52340, 79360, 81127, 83744, 104680, 162254, 167488, 209360, 324508, 334976, 405635, 418720, 649016, 669952, 811270, 837440, 1298032, 1339904, 1622540, 1674880, 2596064, 3245080, 3349760, 5192128, 6490160, 6699520, 10384256, 12980320, 20768512, 25960640, 41537024, 51921280, 103842560, 207685120]

約数ペア:

[(1, 207685120), (2, 103842560), (4, 51921280), (5, 41537024), (8, 25960640), (10, 20768512), (16, 12980320), (20, 10384256), (31, 6699520), (32, 6490160), (40, 5192128), (62, 3349760), (64, 3245080), (80, 2596064), (124, 1674880), (128, 1622540), (155, 1339904), (160, 1298032), (248, 837440), (256, 811270), (310, 669952), (320, 649016), (496, 418720), (512, 405635), (620, 334976), (640, 324508), (992, 209360), (1240, 167488), (1280, 162254), (1984, 104680), (2480, 83744), (2560, 81127), (2617, 79360), (3968, 52340), (4960, 41872), (5234, 39680), (7936, 26170), (9920, 20936), (10468, 19840), (13085, 15872)]