130309120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 88

約数和(自身を含む): 323065728

約数和(自身を除く): 192756608

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, 821, 992, 1024, 1240, 1280, 1642, 1984, 2480, 2560, 3284, 3968, 4105, 4960, 5120, 6568, 7936, 8210, 9920, 13136, 15872, 16420, 19840, 25451, 26272, 31744, 32840, 39680, 50902, 52544, 65680, 79360, 101804, 105088, 127255, 131360, 158720, 203608, 210176, 254510, 262720, 407216, 420352, 509020, 525440, 814432, 840704, 1018040, 1050880, 1628864, 2036080, 2101760, 3257728, 4072160, 4203520, 6515456, 8144320, 13030912, 16288640, 26061824, 32577280, 65154560, 130309120]

約数ペア:

[(1, 130309120), (2, 65154560), (4, 32577280), (5, 26061824), (8, 16288640), (10, 13030912), (16, 8144320), (20, 6515456), (31, 4203520), (32, 4072160), (40, 3257728), (62, 2101760), (64, 2036080), (80, 1628864), (124, 1050880), (128, 1018040), (155, 840704), (160, 814432), (248, 525440), (256, 509020), (310, 420352), (320, 407216), (496, 262720), (512, 254510), (620, 210176), (640, 203608), (821, 158720), (992, 131360), (1024, 127255), (1240, 105088), (1280, 101804), (1642, 79360), (1984, 65680), (2480, 52544), (2560, 50902), (3284, 39680), (3968, 32840), (4105, 31744), (4960, 26272), (5120, 25451), (6568, 19840), (7936, 16420), (8210, 15872), (9920, 13136)]