71583960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2801

約数の個数: 128

約数和(自身を含む): 253440000

約数和(自身を除く): 181856040

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, 2749, 3255, 3720, 4340, 5208, 5498, 6510, 8247, 8680, 10996, 13020, 13745, 16494, 19243, 21992, 26040, 27490, 32988, 38486, 41235, 54980, 57729, 65976, 76972, 82470, 85219, 96215, 109960, 115458, 153944, 164940, 170438, 192430, 230916, 255657, 288645, 329880, 340876, 384860, 426095, 461832, 511314, 577290, 596533, 681752, 769720, 852190, 1022628, 1154580, 1193066, 1278285, 1704380, 1789599, 2045256, 2309160, 2386132, 2556570, 2982665, 3408760, 3579198, 4772264, 5113140, 5965330, 7158396, 8947995, 10226280, 11930660, 14316792, 17895990, 23861320, 35791980, 71583960]

約数ペア:

[(1, 71583960), (2, 35791980), (3, 23861320), (4, 17895990), (5, 14316792), (6, 11930660), (7, 10226280), (8, 8947995), (10, 7158396), (12, 5965330), (14, 5113140), (15, 4772264), (20, 3579198), (21, 3408760), (24, 2982665), (28, 2556570), (30, 2386132), (31, 2309160), (35, 2045256), (40, 1789599), (42, 1704380), (56, 1278285), (60, 1193066), (62, 1154580), (70, 1022628), (84, 852190), (93, 769720), (105, 681752), (120, 596533), (124, 577290), (140, 511314), (155, 461832), (168, 426095), (186, 384860), (210, 340876), (217, 329880), (248, 288645), (280, 255657), (310, 230916), (372, 192430), (420, 170438), (434, 164940), (465, 153944), (620, 115458), (651, 109960), (744, 96215), (840, 85219), (868, 82470), (930, 76972), (1085, 65976), (1240, 57729), (1302, 54980), (1736, 41235), (1860, 38486), (2170, 32988), (2604, 27490), (2749, 26040), (3255, 21992), (3720, 19243), (4340, 16494), (5208, 13745), (5498, 13020), (6510, 10996), (8247, 8680)]