215949720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8293}}^1$

素因数の和:8345

約数の個数: 128

約数和(自身を含む): 764375040

約数和(自身を除く): 548425320

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, 8293, 8680, 13020, 16586, 24879, 26040, 33172, 41465, 49758, 58051, 66344, 82930, 99516, 116102, 124395, 165860, 174153, 199032, 232204, 248790, 257083, 290255, 331720, 348306, 464408, 497580, 514166, 580510, 696612, 771249, 870765, 995160, 1028332, 1161020, 1285415, 1393224, 1542498, 1741530, 1799581, 2056664, 2322040, 2570830, 3084996, 3483060, 3599162, 3856245, 5141660, 5398743, 6169992, 6966120, 7198324, 7712490, 8997905, 10283320, 10797486, 14396648, 15424980, 17995810, 21594972, 26993715, 30849960, 35991620, 43189944, 53987430, 71983240, 107974860, 215949720]

約数ペア:

[(1, 215949720), (2, 107974860), (3, 71983240), (4, 53987430), (5, 43189944), (6, 35991620), (7, 30849960), (8, 26993715), (10, 21594972), (12, 17995810), (14, 15424980), (15, 14396648), (20, 10797486), (21, 10283320), (24, 8997905), (28, 7712490), (30, 7198324), (31, 6966120), (35, 6169992), (40, 5398743), (42, 5141660), (56, 3856245), (60, 3599162), (62, 3483060), (70, 3084996), (84, 2570830), (93, 2322040), (105, 2056664), (120, 1799581), (124, 1741530), (140, 1542498), (155, 1393224), (168, 1285415), (186, 1161020), (210, 1028332), (217, 995160), (248, 870765), (280, 771249), (310, 696612), (372, 580510), (420, 514166), (434, 497580), (465, 464408), (620, 348306), (651, 331720), (744, 290255), (840, 257083), (868, 248790), (930, 232204), (1085, 199032), (1240, 174153), (1302, 165860), (1736, 124395), (1860, 116102), (2170, 99516), (2604, 82930), (3255, 66344), (3720, 58051), (4340, 49758), (5208, 41465), (6510, 33172), (8293, 26040), (8680, 24879), (13020, 16586)]