85305780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:958

約数の個数: 144

約数和(自身を含む): 299819520

約数和(自身を除く): 214513740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 857, 948, 1106, 1185, 1260, 1422, 1580, 1659, 1714, 2212, 2370, 2571, 2765, 2844, 3318, 3428, 3555, 4285, 4740, 4977, 5142, 5530, 5999, 6636, 7110, 7713, 8295, 8570, 9954, 10284, 11060, 11998, 12855, 14220, 15426, 16590, 17140, 17997, 19908, 23996, 24885, 25710, 29995, 30852, 33180, 35994, 38565, 49770, 51420, 53991, 59990, 67703, 71988, 77130, 89985, 99540, 107982, 119980, 135406, 154260, 179970, 203109, 215964, 269955, 270812, 338515, 359940, 406218, 473921, 539910, 609327, 677030, 812436, 947842, 1015545, 1079820, 1218654, 1354060, 1421763, 1895684, 2031090, 2369605, 2437308, 2843526, 3046635, 4062180, 4265289, 4739210, 5687052, 6093270, 7108815, 8530578, 9478420, 12186540, 14217630, 17061156, 21326445, 28435260, 42652890, 85305780]

約数ペア:

[(1, 85305780), (2, 42652890), (3, 28435260), (4, 21326445), (5, 17061156), (6, 14217630), (7, 12186540), (9, 9478420), (10, 8530578), (12, 7108815), (14, 6093270), (15, 5687052), (18, 4739210), (20, 4265289), (21, 4062180), (28, 3046635), (30, 2843526), (35, 2437308), (36, 2369605), (42, 2031090), (45, 1895684), (60, 1421763), (63, 1354060), (70, 1218654), (79, 1079820), (84, 1015545), (90, 947842), (105, 812436), (126, 677030), (140, 609327), (158, 539910), (180, 473921), (210, 406218), (237, 359940), (252, 338515), (315, 270812), (316, 269955), (395, 215964), (420, 203109), (474, 179970), (553, 154260), (630, 135406), (711, 119980), (790, 107982), (857, 99540), (948, 89985), (1106, 77130), (1185, 71988), (1260, 67703), (1422, 59990), (1580, 53991), (1659, 51420), (1714, 49770), (2212, 38565), (2370, 35994), (2571, 33180), (2765, 30852), (2844, 29995), (3318, 25710), (3428, 24885), (3555, 23996), (4285, 19908), (4740, 17997), (4977, 17140), (5142, 16590), (5530, 15426), (5999, 14220), (6636, 12855), (7110, 11998), (7713, 11060), (8295, 10284), (8570, 9954)]