78500240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 160

約数和(自身を含む): 230985216

約数和(自身を除く): 152484976

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 80, 82, 91, 104, 112, 130, 140, 164, 182, 205, 208, 260, 263, 280, 287, 328, 364, 410, 455, 520, 526, 533, 560, 574, 656, 728, 820, 910, 1040, 1052, 1066, 1148, 1315, 1435, 1456, 1640, 1820, 1841, 2104, 2132, 2296, 2630, 2665, 2870, 3280, 3419, 3640, 3682, 3731, 4208, 4264, 4592, 5260, 5330, 5740, 6838, 7280, 7364, 7462, 8528, 9205, 10520, 10660, 10783, 11480, 13676, 14728, 14924, 17095, 18410, 18655, 21040, 21320, 21566, 22960, 23933, 27352, 29456, 29848, 34190, 36820, 37310, 42640, 43132, 47866, 53915, 54704, 59696, 68380, 73640, 74620, 75481, 86264, 95732, 107830, 119665, 136760, 140179, 147280, 149240, 150962, 172528, 191464, 215660, 239330, 273520, 280358, 298480, 301924, 377405, 382928, 431320, 478660, 560716, 603848, 700895, 754810, 862640, 957320, 981253, 1121432, 1207696, 1401790, 1509620, 1914640, 1962506, 2242864, 2803580, 3019240, 3925012, 4906265, 5607160, 6038480, 7850024, 9812530, 11214320, 15700048, 19625060, 39250120, 78500240]

約数ペア:

[(1, 78500240), (2, 39250120), (4, 19625060), (5, 15700048), (7, 11214320), (8, 9812530), (10, 7850024), (13, 6038480), (14, 5607160), (16, 4906265), (20, 3925012), (26, 3019240), (28, 2803580), (35, 2242864), (40, 1962506), (41, 1914640), (52, 1509620), (56, 1401790), (65, 1207696), (70, 1121432), (80, 981253), (82, 957320), (91, 862640), (104, 754810), (112, 700895), (130, 603848), (140, 560716), (164, 478660), (182, 431320), (205, 382928), (208, 377405), (260, 301924), (263, 298480), (280, 280358), (287, 273520), (328, 239330), (364, 215660), (410, 191464), (455, 172528), (520, 150962), (526, 149240), (533, 147280), (560, 140179), (574, 136760), (656, 119665), (728, 107830), (820, 95732), (910, 86264), (1040, 75481), (1052, 74620), (1066, 73640), (1148, 68380), (1315, 59696), (1435, 54704), (1456, 53915), (1640, 47866), (1820, 43132), (1841, 42640), (2104, 37310), (2132, 36820), (2296, 34190), (2630, 29848), (2665, 29456), (2870, 27352), (3280, 23933), (3419, 22960), (3640, 21566), (3682, 21320), (3731, 21040), (4208, 18655), (4264, 18410), (4592, 17095), (5260, 14924), (5330, 14728), (5740, 13676), (6838, 11480), (7280, 10783), (7364, 10660), (7462, 10520), (8528, 9205)]