689086160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72383}}^1$

素因数の和:72420

約数の個数: 80

約数和(自身を含む): 1938733056

約数和(自身を除く): 1249646896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 72383, 144766, 289532, 361915, 506681, 579064, 723830, 1013362, 1158128, 1230511, 1447660, 2026724, 2461022, 2533405, 2895320, 4053448, 4922044, 5066810, 5790640, 6152555, 8106896, 8613577, 9844088, 10133620, 12305110, 17227154, 19688176, 20267240, 24610220, 34454308, 40534480, 43067885, 49220440, 68908616, 86135770, 98440880, 137817232, 172271540, 344543080, 689086160]

約数ペア:

[(1, 689086160), (2, 344543080), (4, 172271540), (5, 137817232), (7, 98440880), (8, 86135770), (10, 68908616), (14, 49220440), (16, 43067885), (17, 40534480), (20, 34454308), (28, 24610220), (34, 20267240), (35, 19688176), (40, 17227154), (56, 12305110), (68, 10133620), (70, 9844088), (80, 8613577), (85, 8106896), (112, 6152555), (119, 5790640), (136, 5066810), (140, 4922044), (170, 4053448), (238, 2895320), (272, 2533405), (280, 2461022), (340, 2026724), (476, 1447660), (560, 1230511), (595, 1158128), (680, 1013362), (952, 723830), (1190, 579064), (1360, 506681), (1904, 361915), (2380, 289532), (4760, 144766), (9520, 72383)]