178026660

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{5233}}^1$

素因数の和:5264

約数の個数: 144

約数和(自身を含む): 640139136

約数和(自身を除く): 462112476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5233, 5670, 6804, 8505, 10466, 11340, 15699, 17010, 20932, 26165, 31398, 34020, 36631, 47097, 52330, 62796, 73262, 78495, 94194, 104660, 109893, 141291, 146524, 156990, 183155, 188388, 219786, 235485, 282582, 313980, 329679, 366310, 423873, 439572, 470970, 549465, 565164, 659358, 706455, 732620, 847746, 941940, 989037, 1098930, 1271619, 1318716, 1412910, 1648395, 1695492, 1978074, 2119365, 2197860, 2543238, 2825820, 2967111, 3296790, 3956148, 4238730, 4945185, 5086476, 5934222, 6358095, 6593580, 8477460, 8901333, 9890370, 11868444, 12716190, 14835555, 17802666, 19780740, 25432380, 29671110, 35605332, 44506665, 59342220, 89013330, 178026660]

約数ペア:

[(1, 178026660), (2, 89013330), (3, 59342220), (4, 44506665), (5, 35605332), (6, 29671110), (7, 25432380), (9, 19780740), (10, 17802666), (12, 14835555), (14, 12716190), (15, 11868444), (18, 9890370), (20, 8901333), (21, 8477460), (27, 6593580), (28, 6358095), (30, 5934222), (35, 5086476), (36, 4945185), (42, 4238730), (45, 3956148), (54, 3296790), (60, 2967111), (63, 2825820), (70, 2543238), (81, 2197860), (84, 2119365), (90, 1978074), (105, 1695492), (108, 1648395), (126, 1412910), (135, 1318716), (140, 1271619), (162, 1098930), (180, 989037), (189, 941940), (210, 847746), (243, 732620), (252, 706455), (270, 659358), (315, 565164), (324, 549465), (378, 470970), (405, 439572), (420, 423873), (486, 366310), (540, 329679), (567, 313980), (630, 282582), (756, 235485), (810, 219786), (945, 188388), (972, 183155), (1134, 156990), (1215, 146524), (1260, 141291), (1620, 109893), (1701, 104660), (1890, 94194), (2268, 78495), (2430, 73262), (2835, 62796), (3402, 52330), (3780, 47097), (4860, 36631), (5233, 34020), (5670, 31398), (6804, 26165), (8505, 20932), (10466, 17010), (11340, 15699)]