61988680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 161118720

約数和(自身を除く): 99130040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 71, 73, 92, 104, 115, 130, 142, 146, 184, 230, 260, 284, 292, 299, 355, 365, 460, 520, 568, 584, 598, 710, 730, 920, 923, 949, 1196, 1420, 1460, 1495, 1633, 1679, 1846, 1898, 2392, 2840, 2920, 2990, 3266, 3358, 3692, 3796, 4615, 4745, 5183, 5980, 6532, 6716, 7384, 7592, 8165, 8395, 9230, 9490, 10366, 11960, 13064, 13432, 16330, 16790, 18460, 18980, 20732, 21229, 21827, 25915, 32660, 33580, 36920, 37960, 41464, 42458, 43654, 51830, 65320, 67160, 67379, 84916, 87308, 103660, 106145, 109135, 119209, 134758, 169832, 174616, 207320, 212290, 218270, 238418, 269516, 336895, 424580, 436540, 476836, 539032, 596045, 673790, 849160, 873080, 953672, 1192090, 1347580, 1549717, 2384180, 2695160, 3099434, 4768360, 6198868, 7748585, 12397736, 15497170, 30994340, 61988680]

約数ペア:

[(1, 61988680), (2, 30994340), (4, 15497170), (5, 12397736), (8, 7748585), (10, 6198868), (13, 4768360), (20, 3099434), (23, 2695160), (26, 2384180), (40, 1549717), (46, 1347580), (52, 1192090), (65, 953672), (71, 873080), (73, 849160), (92, 673790), (104, 596045), (115, 539032), (130, 476836), (142, 436540), (146, 424580), (184, 336895), (230, 269516), (260, 238418), (284, 218270), (292, 212290), (299, 207320), (355, 174616), (365, 169832), (460, 134758), (520, 119209), (568, 109135), (584, 106145), (598, 103660), (710, 87308), (730, 84916), (920, 67379), (923, 67160), (949, 65320), (1196, 51830), (1420, 43654), (1460, 42458), (1495, 41464), (1633, 37960), (1679, 36920), (1846, 33580), (1898, 32660), (2392, 25915), (2840, 21827), (2920, 21229), (2990, 20732), (3266, 18980), (3358, 18460), (3692, 16790), (3796, 16330), (4615, 13432), (4745, 13064), (5183, 11960), (5980, 10366), (6532, 9490), (6716, 9230), (7384, 8395), (7592, 8165)]