571395720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21943}}^1$

素因数の和:21995

約数の個数: 128

約数和(自身を含む): 2022359040

約数和(自身を除く): 1450963320

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, 21943, 26040, 43886, 65829, 87772, 109715, 131658, 153601, 175544, 219430, 263316, 307202, 329145, 438860, 460803, 526632, 614404, 658290, 680233, 768005, 877720, 921606, 1228808, 1316580, 1360466, 1536010, 1843212, 2040699, 2304015, 2633160, 2720932, 3072020, 3401165, 3686424, 4081398, 4608030, 4761631, 5441864, 6144040, 6802330, 8162796, 9216060, 9523262, 10203495, 13604660, 14284893, 16325592, 18432120, 19046524, 20406990, 23808155, 27209320, 28569786, 38093048, 40813980, 47616310, 57139572, 71424465, 81627960, 95232620, 114279144, 142848930, 190465240, 285697860, 571395720]

約数ペア:

[(1, 571395720), (2, 285697860), (3, 190465240), (4, 142848930), (5, 114279144), (6, 95232620), (7, 81627960), (8, 71424465), (10, 57139572), (12, 47616310), (14, 40813980), (15, 38093048), (20, 28569786), (21, 27209320), (24, 23808155), (28, 20406990), (30, 19046524), (31, 18432120), (35, 16325592), (40, 14284893), (42, 13604660), (56, 10203495), (60, 9523262), (62, 9216060), (70, 8162796), (84, 6802330), (93, 6144040), (105, 5441864), (120, 4761631), (124, 4608030), (140, 4081398), (155, 3686424), (168, 3401165), (186, 3072020), (210, 2720932), (217, 2633160), (248, 2304015), (280, 2040699), (310, 1843212), (372, 1536010), (420, 1360466), (434, 1316580), (465, 1228808), (620, 921606), (651, 877720), (744, 768005), (840, 680233), (868, 658290), (930, 614404), (1085, 526632), (1240, 460803), (1302, 438860), (1736, 329145), (1860, 307202), (2170, 263316), (2604, 219430), (3255, 175544), (3720, 153601), (4340, 131658), (5208, 109715), (6510, 87772), (8680, 65829), (13020, 43886), (21943, 26040)]