2220880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 5785344

約数和(自身を除く): 3564464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 71, 80, 85, 92, 115, 136, 142, 170, 184, 230, 272, 284, 340, 355, 368, 391, 460, 568, 680, 710, 782, 920, 1136, 1207, 1360, 1420, 1564, 1633, 1840, 1955, 2414, 2840, 3128, 3266, 3910, 4828, 5680, 6035, 6256, 6532, 7820, 8165, 9656, 12070, 13064, 15640, 16330, 19312, 24140, 26128, 27761, 31280, 32660, 48280, 55522, 65320, 96560, 111044, 130640, 138805, 222088, 277610, 444176, 555220, 1110440, 2220880]

約数ペア:

[(1, 2220880), (2, 1110440), (4, 555220), (5, 444176), (8, 277610), (10, 222088), (16, 138805), (17, 130640), (20, 111044), (23, 96560), (34, 65320), (40, 55522), (46, 48280), (68, 32660), (71, 31280), (80, 27761), (85, 26128), (92, 24140), (115, 19312), (136, 16330), (142, 15640), (170, 13064), (184, 12070), (230, 9656), (272, 8165), (284, 7820), (340, 6532), (355, 6256), (368, 6035), (391, 5680), (460, 4828), (568, 3910), (680, 3266), (710, 3128), (782, 2840), (920, 2414), (1136, 1955), (1207, 1840), (1360, 1633), (1420, 1564)]