639828840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24571}}^1$

素因数の和:24623

約数の個数: 128

約数和(自身を含む): 2264555520

約数和(自身を除く): 1624726680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 24571, 26040, 49142, 73713, 98284, 122855, 147426, 171997, 196568, 245710, 294852, 343994, 368565, 491420, 515991, 589704, 687988, 737130, 761701, 859985, 982840, 1031982, 1375976, 1474260, 1523402, 1719970, 2063964, 2285103, 2579955, 2948520, 3046804, 3439940, 3808505, 4127928, 4570206, 5159910, 5331907, 6093608, 6879880, 7617010, 9140412, 10319820, 10663814, 11425515, 15234020, 15995721, 18280824, 20639640, 21327628, 22851030, 26659535, 30468040, 31991442, 42655256, 45702060, 53319070, 63982884, 79978605, 91404120, 106638140, 127965768, 159957210, 213276280, 319914420, 639828840]

約数ペア:

[(1, 639828840), (2, 319914420), (3, 213276280), (4, 159957210), (5, 127965768), (6, 106638140), (7, 91404120), (8, 79978605), (10, 63982884), (12, 53319070), (14, 45702060), (15, 42655256), (20, 31991442), (21, 30468040), (24, 26659535), (28, 22851030), (30, 21327628), (31, 20639640), (35, 18280824), (40, 15995721), (42, 15234020), (56, 11425515), (60, 10663814), (62, 10319820), (70, 9140412), (84, 7617010), (93, 6879880), (105, 6093608), (120, 5331907), (124, 5159910), (140, 4570206), (155, 4127928), (168, 3808505), (186, 3439940), (210, 3046804), (217, 2948520), (248, 2579955), (280, 2285103), (310, 2063964), (372, 1719970), (420, 1523402), (434, 1474260), (465, 1375976), (620, 1031982), (651, 982840), (744, 859985), (840, 761701), (868, 737130), (930, 687988), (1085, 589704), (1240, 515991), (1302, 491420), (1736, 368565), (1860, 343994), (2170, 294852), (2604, 245710), (3255, 196568), (3720, 171997), (4340, 147426), (5208, 122855), (6510, 98284), (8680, 73713), (13020, 49142), (24571, 26040)]