278196240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3917

約数の個数: 160

約数和(自身を含む): 1008792576

約数和(自身を除く): 730596336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3612, 3851, 4515, 4816, 5160, 6020, 7224, 7702, 9030, 10320, 11553, 12040, 14448, 15404, 18060, 19255, 23106, 24080, 26957, 30808, 36120, 38510, 46212, 53914, 57765, 61616, 72240, 77020, 80871, 92424, 107828, 115530, 134785, 154040, 161742, 165593, 184848, 215656, 231060, 269570, 308080, 323484, 331186, 404355, 431312, 462120, 496779, 539140, 646968, 662372, 808710, 827965, 924240, 993558, 1078280, 1159151, 1293936, 1324744, 1617420, 1655930, 1987116, 2156560, 2318302, 2483895, 2649488, 3234840, 3311860, 3477453, 3974232, 4636604, 4967790, 5795755, 6469680, 6623720, 6954906, 7948464, 9273208, 9935580, 11591510, 13247440, 13909812, 17387265, 18546416, 19871160, 23183020, 27819624, 34774530, 39742320, 46366040, 55639248, 69549060, 92732080, 139098120, 278196240]

約数ペア:

[(1, 278196240), (2, 139098120), (3, 92732080), (4, 69549060), (5, 55639248), (6, 46366040), (7, 39742320), (8, 34774530), (10, 27819624), (12, 23183020), (14, 19871160), (15, 18546416), (16, 17387265), (20, 13909812), (21, 13247440), (24, 11591510), (28, 9935580), (30, 9273208), (35, 7948464), (40, 6954906), (42, 6623720), (43, 6469680), (48, 5795755), (56, 4967790), (60, 4636604), (70, 3974232), (80, 3477453), (84, 3311860), (86, 3234840), (105, 2649488), (112, 2483895), (120, 2318302), (129, 2156560), (140, 1987116), (168, 1655930), (172, 1617420), (210, 1324744), (215, 1293936), (240, 1159151), (258, 1078280), (280, 993558), (301, 924240), (336, 827965), (344, 808710), (420, 662372), (430, 646968), (516, 539140), (560, 496779), (602, 462120), (645, 431312), (688, 404355), (840, 331186), (860, 323484), (903, 308080), (1032, 269570), (1204, 231060), (1290, 215656), (1505, 184848), (1680, 165593), (1720, 161742), (1806, 154040), (2064, 134785), (2408, 115530), (2580, 107828), (3010, 92424), (3440, 80871), (3612, 77020), (3851, 72240), (4515, 61616), (4816, 57765), (5160, 53914), (6020, 46212), (7224, 38510), (7702, 36120), (9030, 30808), (10320, 26957), (11553, 24080), (12040, 23106), (14448, 19255), (15404, 18060)]