30765520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 75330000

約数和(自身を除く): 44564480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 149, 178, 232, 290, 298, 356, 445, 464, 580, 596, 712, 745, 890, 1160, 1192, 1424, 1490, 1780, 2320, 2384, 2581, 2980, 3560, 4321, 5162, 5960, 7120, 8642, 10324, 11920, 12905, 13261, 17284, 20648, 21605, 25810, 26522, 34568, 41296, 43210, 51620, 53044, 66305, 69136, 86420, 103240, 106088, 132610, 172840, 206480, 212176, 265220, 345680, 384569, 530440, 769138, 1060880, 1538276, 1922845, 3076552, 3845690, 6153104, 7691380, 15382760, 30765520]

約数ペア:

[(1, 30765520), (2, 15382760), (4, 7691380), (5, 6153104), (8, 3845690), (10, 3076552), (16, 1922845), (20, 1538276), (29, 1060880), (40, 769138), (58, 530440), (80, 384569), (89, 345680), (116, 265220), (145, 212176), (149, 206480), (178, 172840), (232, 132610), (290, 106088), (298, 103240), (356, 86420), (445, 69136), (464, 66305), (580, 53044), (596, 51620), (712, 43210), (745, 41296), (890, 34568), (1160, 26522), (1192, 25810), (1424, 21605), (1490, 20648), (1780, 17284), (2320, 13261), (2384, 12905), (2581, 11920), (2980, 10324), (3560, 8642), (4321, 7120), (5162, 5960)]