74777560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 209563200

約数和(自身を除く): 134785640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 286, 340, 374, 440, 442, 520, 572, 680, 715, 748, 769, 884, 935, 1105, 1144, 1430, 1496, 1538, 1768, 1870, 2210, 2431, 2860, 3076, 3740, 3845, 4420, 4862, 5720, 6152, 7480, 7690, 8459, 8840, 9724, 9997, 12155, 13073, 15380, 16918, 19448, 19994, 24310, 26146, 30760, 33836, 39988, 42295, 48620, 49985, 52292, 65365, 67672, 79976, 84590, 97240, 99970, 104584, 109967, 130730, 143803, 169180, 169949, 199940, 219934, 261460, 287606, 338360, 339898, 399880, 439868, 522920, 549835, 575212, 679796, 719015, 849745, 879736, 1099670, 1150424, 1359592, 1438030, 1699490, 1869439, 2199340, 2876060, 3398980, 3738878, 4398680, 5752120, 6797960, 7477756, 9347195, 14955512, 18694390, 37388780, 74777560]

約数ペア:

[(1, 74777560), (2, 37388780), (4, 18694390), (5, 14955512), (8, 9347195), (10, 7477756), (11, 6797960), (13, 5752120), (17, 4398680), (20, 3738878), (22, 3398980), (26, 2876060), (34, 2199340), (40, 1869439), (44, 1699490), (52, 1438030), (55, 1359592), (65, 1150424), (68, 1099670), (85, 879736), (88, 849745), (104, 719015), (110, 679796), (130, 575212), (136, 549835), (143, 522920), (170, 439868), (187, 399880), (220, 339898), (221, 338360), (260, 287606), (286, 261460), (340, 219934), (374, 199940), (440, 169949), (442, 169180), (520, 143803), (572, 130730), (680, 109967), (715, 104584), (748, 99970), (769, 97240), (884, 84590), (935, 79976), (1105, 67672), (1144, 65365), (1430, 52292), (1496, 49985), (1538, 48620), (1768, 42295), (1870, 39988), (2210, 33836), (2431, 30760), (2860, 26146), (3076, 24310), (3740, 19994), (3845, 19448), (4420, 16918), (4862, 15380), (5720, 13073), (6152, 12155), (7480, 9997), (7690, 9724), (8459, 8840)]