85416840

素因数分解:

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

素因数の和:872

約数の個数: 144

約数和(自身を含む): 295254180

約数和(自身を除く): 209837340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 510, 578, 612, 680, 765, 821, 867, 1020, 1156, 1224, 1445, 1530, 1642, 1734, 2040, 2312, 2463, 2601, 2890, 3060, 3284, 3468, 4105, 4335, 4926, 5202, 5780, 6120, 6568, 6936, 7389, 8210, 8670, 9852, 10404, 11560, 12315, 13005, 13957, 14778, 16420, 17340, 19704, 20808, 24630, 26010, 27914, 29556, 32840, 34680, 36945, 41871, 49260, 52020, 55828, 59112, 69785, 73890, 83742, 98520, 104040, 111656, 125613, 139570, 147780, 167484, 209355, 237269, 251226, 279140, 295560, 334968, 418710, 474538, 502452, 558280, 628065, 711807, 837420, 949076, 1004904, 1186345, 1256130, 1423614, 1674840, 1898152, 2135421, 2372690, 2512260, 2847228, 3559035, 4270842, 4745380, 5024520, 5694456, 7118070, 8541684, 9490760, 10677105, 14236140, 17083368, 21354210, 28472280, 42708420, 85416840]

約数ペア:

[(1, 85416840), (2, 42708420), (3, 28472280), (4, 21354210), (5, 17083368), (6, 14236140), (8, 10677105), (9, 9490760), (10, 8541684), (12, 7118070), (15, 5694456), (17, 5024520), (18, 4745380), (20, 4270842), (24, 3559035), (30, 2847228), (34, 2512260), (36, 2372690), (40, 2135421), (45, 1898152), (51, 1674840), (60, 1423614), (68, 1256130), (72, 1186345), (85, 1004904), (90, 949076), (102, 837420), (120, 711807), (136, 628065), (153, 558280), (170, 502452), (180, 474538), (204, 418710), (255, 334968), (289, 295560), (306, 279140), (340, 251226), (360, 237269), (408, 209355), (510, 167484), (578, 147780), (612, 139570), (680, 125613), (765, 111656), (821, 104040), (867, 98520), (1020, 83742), (1156, 73890), (1224, 69785), (1445, 59112), (1530, 55828), (1642, 52020), (1734, 49260), (2040, 41871), (2312, 36945), (2463, 34680), (2601, 32840), (2890, 29556), (3060, 27914), (3284, 26010), (3468, 24630), (4105, 20808), (4335, 19704), (4926, 17340), (5202, 16420), (5780, 14778), (6120, 13957), (6568, 13005), (6936, 12315), (7389, 11560), (8210, 10404), (8670, 9852)]