85289680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 160

約数和(自身を含む): 248555520

約数和(自身を除く): 163265840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 170, 217, 238, 248, 272, 280, 289, 310, 340, 434, 476, 496, 527, 560, 578, 595, 620, 680, 868, 952, 1054, 1085, 1156, 1190, 1240, 1360, 1445, 1736, 1904, 2023, 2108, 2170, 2312, 2380, 2480, 2635, 2890, 3472, 3689, 4046, 4216, 4340, 4624, 4760, 4913, 5270, 5780, 7378, 8092, 8432, 8680, 8959, 9520, 9826, 10115, 10540, 11560, 14756, 16184, 17360, 17918, 18445, 19652, 20230, 21080, 23120, 24565, 29512, 32368, 34391, 35836, 36890, 39304, 40460, 42160, 44795, 49130, 59024, 62713, 68782, 71672, 73780, 78608, 80920, 89590, 98260, 125426, 137564, 143344, 147560, 152303, 161840, 171955, 179180, 196520, 250852, 275128, 295120, 304606, 313565, 343910, 358360, 393040, 501704, 550256, 609212, 627130, 687820, 716720, 761515, 1003408, 1066121, 1218424, 1254260, 1375640, 1523030, 2132242, 2436848, 2508520, 2751280, 3046060, 4264484, 5017040, 5330605, 6092120, 8528968, 10661210, 12184240, 17057936, 21322420, 42644840, 85289680]

約数ペア:

[(1, 85289680), (2, 42644840), (4, 21322420), (5, 17057936), (7, 12184240), (8, 10661210), (10, 8528968), (14, 6092120), (16, 5330605), (17, 5017040), (20, 4264484), (28, 3046060), (31, 2751280), (34, 2508520), (35, 2436848), (40, 2132242), (56, 1523030), (62, 1375640), (68, 1254260), (70, 1218424), (80, 1066121), (85, 1003408), (112, 761515), (119, 716720), (124, 687820), (136, 627130), (140, 609212), (155, 550256), (170, 501704), (217, 393040), (238, 358360), (248, 343910), (272, 313565), (280, 304606), (289, 295120), (310, 275128), (340, 250852), (434, 196520), (476, 179180), (496, 171955), (527, 161840), (560, 152303), (578, 147560), (595, 143344), (620, 137564), (680, 125426), (868, 98260), (952, 89590), (1054, 80920), (1085, 78608), (1156, 73780), (1190, 71672), (1240, 68782), (1360, 62713), (1445, 59024), (1736, 49130), (1904, 44795), (2023, 42160), (2108, 40460), (2170, 39304), (2312, 36890), (2380, 35836), (2480, 34391), (2635, 32368), (2890, 29512), (3472, 24565), (3689, 23120), (4046, 21080), (4216, 20230), (4340, 19652), (4624, 18445), (4760, 17918), (4913, 17360), (5270, 16184), (5780, 14756), (7378, 11560), (8092, 10540), (8432, 10115), (8680, 9826), (8959, 9520)]