306811960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2781

約数の個数: 128

約数和(自身を含む): 877363200

約数和(自身を除く): 570551240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2719, 2821, 3224, 3640, 4030, 4340, 5438, 5642, 8060, 8680, 10876, 11284, 13595, 14105, 16120, 19033, 21752, 22568, 27190, 28210, 35347, 38066, 54380, 56420, 70694, 76132, 84289, 95165, 108760, 112840, 141388, 152264, 168578, 176735, 190330, 247429, 282776, 337156, 353470, 380660, 421445, 494858, 590023, 674312, 706940, 761320, 842890, 989716, 1095757, 1180046, 1237145, 1413880, 1685780, 1979432, 2191514, 2360092, 2474290, 2950115, 3371560, 4383028, 4720184, 4948580, 5478785, 5900230, 7670299, 8766056, 9897160, 10957570, 11800460, 15340598, 21915140, 23600920, 30681196, 38351495, 43830280, 61362392, 76702990, 153405980, 306811960]

約数ペア:

[(1, 306811960), (2, 153405980), (4, 76702990), (5, 61362392), (7, 43830280), (8, 38351495), (10, 30681196), (13, 23600920), (14, 21915140), (20, 15340598), (26, 11800460), (28, 10957570), (31, 9897160), (35, 8766056), (40, 7670299), (52, 5900230), (56, 5478785), (62, 4948580), (65, 4720184), (70, 4383028), (91, 3371560), (104, 2950115), (124, 2474290), (130, 2360092), (140, 2191514), (155, 1979432), (182, 1685780), (217, 1413880), (248, 1237145), (260, 1180046), (280, 1095757), (310, 989716), (364, 842890), (403, 761320), (434, 706940), (455, 674312), (520, 590023), (620, 494858), (728, 421445), (806, 380660), (868, 353470), (910, 337156), (1085, 282776), (1240, 247429), (1612, 190330), (1736, 176735), (1820, 168578), (2015, 152264), (2170, 141388), (2719, 112840), (2821, 108760), (3224, 95165), (3640, 84289), (4030, 76132), (4340, 70694), (5438, 56420), (5642, 54380), (8060, 38066), (8680, 35347), (10876, 28210), (11284, 27190), (13595, 22568), (14105, 21752), (16120, 19033)]