78545440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 199874304

約数和(自身を除く): 121328864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 67, 68, 80, 85, 134, 136, 160, 170, 268, 272, 335, 340, 431, 536, 544, 670, 680, 862, 1072, 1139, 1340, 1360, 1724, 2144, 2155, 2278, 2680, 2720, 3448, 4310, 4556, 5360, 5695, 6896, 7327, 8620, 9112, 10720, 11390, 13792, 14654, 17240, 18224, 22780, 28877, 29308, 34480, 36448, 36635, 45560, 57754, 58616, 68960, 73270, 91120, 115508, 117232, 144385, 146540, 182240, 231016, 234464, 288770, 293080, 462032, 490909, 577540, 586160, 924064, 981818, 1155080, 1172320, 1963636, 2310160, 2454545, 3927272, 4620320, 4909090, 7854544, 9818180, 15709088, 19636360, 39272720, 78545440]

約数ペア:

[(1, 78545440), (2, 39272720), (4, 19636360), (5, 15709088), (8, 9818180), (10, 7854544), (16, 4909090), (17, 4620320), (20, 3927272), (32, 2454545), (34, 2310160), (40, 1963636), (67, 1172320), (68, 1155080), (80, 981818), (85, 924064), (134, 586160), (136, 577540), (160, 490909), (170, 462032), (268, 293080), (272, 288770), (335, 234464), (340, 231016), (431, 182240), (536, 146540), (544, 144385), (670, 117232), (680, 115508), (862, 91120), (1072, 73270), (1139, 68960), (1340, 58616), (1360, 57754), (1724, 45560), (2144, 36635), (2155, 36448), (2278, 34480), (2680, 29308), (2720, 28877), (3448, 22780), (4310, 18224), (4556, 17240), (5360, 14654), (5695, 13792), (6896, 11390), (7327, 10720), (8620, 9112)]