61880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:48

約数の個数: 64

約数和(自身を含む): 181440

約数和(自身を除く): 119560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 3094, 3640, 4420, 4760, 6188, 7735, 8840, 12376, 15470, 30940, 61880]

約数ペア:

[(1, 61880), (2, 30940), (4, 15470), (5, 12376), (7, 8840), (8, 7735), (10, 6188), (13, 4760), (14, 4420), (17, 3640), (20, 3094), (26, 2380), (28, 2210), (34, 1820), (35, 1768), (40, 1547), (52, 1190), (56, 1105), (65, 952), (68, 910), (70, 884), (85, 728), (91, 680), (104, 595), (119, 520), (130, 476), (136, 455), (140, 442), (170, 364), (182, 340), (221, 280), (238, 260)]