78717480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 255674880

約数和(自身を除く): 176957400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 85, 94, 102, 120, 136, 141, 170, 188, 204, 235, 255, 282, 340, 376, 408, 470, 510, 564, 680, 705, 799, 821, 940, 1020, 1128, 1410, 1598, 1642, 1880, 2040, 2397, 2463, 2820, 3196, 3284, 3995, 4105, 4794, 4926, 5640, 6392, 6568, 7990, 8210, 9588, 9852, 11985, 12315, 13957, 15980, 16420, 19176, 19704, 23970, 24630, 27914, 31960, 32840, 38587, 41871, 47940, 49260, 55828, 69785, 77174, 83742, 95880, 98520, 111656, 115761, 139570, 154348, 167484, 192935, 209355, 231522, 279140, 308696, 334968, 385870, 418710, 463044, 558280, 578805, 655979, 771740, 837420, 926088, 1157610, 1311958, 1543480, 1674840, 1967937, 2315220, 2623916, 3279895, 3935874, 4630440, 5247832, 6559790, 7871748, 9839685, 13119580, 15743496, 19679370, 26239160, 39358740, 78717480]

約数ペア:

[(1, 78717480), (2, 39358740), (3, 26239160), (4, 19679370), (5, 15743496), (6, 13119580), (8, 9839685), (10, 7871748), (12, 6559790), (15, 5247832), (17, 4630440), (20, 3935874), (24, 3279895), (30, 2623916), (34, 2315220), (40, 1967937), (47, 1674840), (51, 1543480), (60, 1311958), (68, 1157610), (85, 926088), (94, 837420), (102, 771740), (120, 655979), (136, 578805), (141, 558280), (170, 463044), (188, 418710), (204, 385870), (235, 334968), (255, 308696), (282, 279140), (340, 231522), (376, 209355), (408, 192935), (470, 167484), (510, 154348), (564, 139570), (680, 115761), (705, 111656), (799, 98520), (821, 95880), (940, 83742), (1020, 77174), (1128, 69785), (1410, 55828), (1598, 49260), (1642, 47940), (1880, 41871), (2040, 38587), (2397, 32840), (2463, 31960), (2820, 27914), (3196, 24630), (3284, 23970), (3995, 19704), (4105, 19176), (4794, 16420), (4926, 15980), (5640, 13957), (6392, 12315), (6568, 11985), (7990, 9852), (8210, 9588)]