980720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 2624832

約数和(自身を除く): 1644112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 41, 46, 52, 65, 80, 82, 92, 104, 115, 130, 164, 184, 205, 208, 230, 260, 299, 328, 368, 410, 460, 520, 533, 598, 656, 820, 920, 943, 1040, 1066, 1196, 1495, 1640, 1840, 1886, 2132, 2392, 2665, 2990, 3280, 3772, 4264, 4715, 4784, 5330, 5980, 7544, 8528, 9430, 10660, 11960, 12259, 15088, 18860, 21320, 23920, 24518, 37720, 42640, 49036, 61295, 75440, 98072, 122590, 196144, 245180, 490360, 980720]

約数ペア:

[(1, 980720), (2, 490360), (4, 245180), (5, 196144), (8, 122590), (10, 98072), (13, 75440), (16, 61295), (20, 49036), (23, 42640), (26, 37720), (40, 24518), (41, 23920), (46, 21320), (52, 18860), (65, 15088), (80, 12259), (82, 11960), (92, 10660), (104, 9430), (115, 8528), (130, 7544), (164, 5980), (184, 5330), (205, 4784), (208, 4715), (230, 4264), (260, 3772), (299, 3280), (328, 2990), (368, 2665), (410, 2392), (460, 2132), (520, 1886), (533, 1840), (598, 1640), (656, 1495), (820, 1196), (920, 1066), (943, 1040)]