861237840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13963}}^1$

素因数の和:14236

約数の個数: 80

約数和(自身を含む): 2680417728

約数和(自身を除く): 1819179888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 10280, 12336, 13963, 15420, 20560, 27926, 30840, 41889, 55852, 61680, 69815, 83778, 111704, 139630, 167556, 209445, 223408, 279260, 335112, 418890, 558520, 670224, 837780, 1117040, 1675560, 3351120, 3588491, 7176982, 10765473, 14353964, 17942455, 21530946, 28707928, 35884910, 43061892, 53827365, 57415856, 71769820, 86123784, 107654730, 143539640, 172247568, 215309460, 287079280, 430618920, 861237840]

約数ペア:

[(1, 861237840), (2, 430618920), (3, 287079280), (4, 215309460), (5, 172247568), (6, 143539640), (8, 107654730), (10, 86123784), (12, 71769820), (15, 57415856), (16, 53827365), (20, 43061892), (24, 35884910), (30, 28707928), (40, 21530946), (48, 17942455), (60, 14353964), (80, 10765473), (120, 7176982), (240, 3588491), (257, 3351120), (514, 1675560), (771, 1117040), (1028, 837780), (1285, 670224), (1542, 558520), (2056, 418890), (2570, 335112), (3084, 279260), (3855, 223408), (4112, 209445), (5140, 167556), (6168, 139630), (7710, 111704), (10280, 83778), (12336, 69815), (13963, 61680), (15420, 55852), (20560, 41889), (27926, 30840)]