70457940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 246355200

約数和(自身を除く): 175897260

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, 84, 90, 105, 126, 140, 180, 199, 210, 252, 281, 315, 398, 420, 562, 597, 630, 796, 843, 995, 1124, 1194, 1260, 1393, 1405, 1686, 1791, 1967, 1990, 2388, 2529, 2786, 2810, 2985, 3372, 3582, 3934, 3980, 4179, 4215, 5058, 5572, 5620, 5901, 5970, 6965, 7164, 7868, 8358, 8430, 8955, 9835, 10116, 11802, 11940, 12537, 12645, 13930, 16716, 16860, 17703, 17910, 19670, 20895, 23604, 25074, 25290, 27860, 29505, 35406, 35820, 39340, 41790, 50148, 50580, 55919, 59010, 62685, 70812, 83580, 88515, 111838, 118020, 125370, 167757, 177030, 223676, 250740, 279595, 335514, 354060, 391433, 503271, 559190, 671028, 782866, 838785, 1006542, 1118380, 1174299, 1565732, 1677570, 1957165, 2013084, 2348598, 2516355, 3355140, 3522897, 3914330, 4697196, 5032710, 5871495, 7045794, 7828660, 10065420, 11742990, 14091588, 17614485, 23485980, 35228970, 70457940]

約数ペア:

[(1, 70457940), (2, 35228970), (3, 23485980), (4, 17614485), (5, 14091588), (6, 11742990), (7, 10065420), (9, 7828660), (10, 7045794), (12, 5871495), (14, 5032710), (15, 4697196), (18, 3914330), (20, 3522897), (21, 3355140), (28, 2516355), (30, 2348598), (35, 2013084), (36, 1957165), (42, 1677570), (45, 1565732), (60, 1174299), (63, 1118380), (70, 1006542), (84, 838785), (90, 782866), (105, 671028), (126, 559190), (140, 503271), (180, 391433), (199, 354060), (210, 335514), (252, 279595), (281, 250740), (315, 223676), (398, 177030), (420, 167757), (562, 125370), (597, 118020), (630, 111838), (796, 88515), (843, 83580), (995, 70812), (1124, 62685), (1194, 59010), (1260, 55919), (1393, 50580), (1405, 50148), (1686, 41790), (1791, 39340), (1967, 35820), (1990, 35406), (2388, 29505), (2529, 27860), (2786, 25290), (2810, 25074), (2985, 23604), (3372, 20895), (3582, 19670), (3934, 17910), (3980, 17703), (4179, 16860), (4215, 16716), (5058, 13930), (5572, 12645), (5620, 12537), (5901, 11940), (5970, 11802), (6965, 10116), (7164, 9835), (7868, 8955), (8358, 8430)]