31846920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1275

約数の個数: 128

約数和(自身を含む): 112803840

約数和(自身を除く): 80956920

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, 1223, 1240, 1302, 1736, 1860, 2170, 2446, 2604, 3255, 3669, 3720, 4340, 4892, 5208, 6115, 6510, 7338, 8561, 8680, 9784, 12230, 13020, 14676, 17122, 18345, 24460, 25683, 26040, 29352, 34244, 36690, 37913, 42805, 48920, 51366, 68488, 73380, 75826, 85610, 102732, 113739, 128415, 146760, 151652, 171220, 189565, 205464, 227478, 256830, 265391, 303304, 342440, 379130, 454956, 513660, 530782, 568695, 758260, 796173, 909912, 1027320, 1061564, 1137390, 1326955, 1516520, 1592346, 2123128, 2274780, 2653910, 3184692, 3980865, 4549560, 5307820, 6369384, 7961730, 10615640, 15923460, 31846920]

約数ペア:

[(1, 31846920), (2, 15923460), (3, 10615640), (4, 7961730), (5, 6369384), (6, 5307820), (7, 4549560), (8, 3980865), (10, 3184692), (12, 2653910), (14, 2274780), (15, 2123128), (20, 1592346), (21, 1516520), (24, 1326955), (28, 1137390), (30, 1061564), (31, 1027320), (35, 909912), (40, 796173), (42, 758260), (56, 568695), (60, 530782), (62, 513660), (70, 454956), (84, 379130), (93, 342440), (105, 303304), (120, 265391), (124, 256830), (140, 227478), (155, 205464), (168, 189565), (186, 171220), (210, 151652), (217, 146760), (248, 128415), (280, 113739), (310, 102732), (372, 85610), (420, 75826), (434, 73380), (465, 68488), (620, 51366), (651, 48920), (744, 42805), (840, 37913), (868, 36690), (930, 34244), (1085, 29352), (1223, 26040), (1240, 25683), (1302, 24460), (1736, 18345), (1860, 17122), (2170, 14676), (2446, 13020), (2604, 12230), (3255, 9784), (3669, 8680), (3720, 8561), (4340, 7338), (4892, 6510), (5208, 6115)]