289851240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11131}}^1$

素因数の和:11183

約数の個数: 128

約数和(自身を含む): 1025925120

約数和(自身を除く): 736073880

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, 11131, 13020, 22262, 26040, 33393, 44524, 55655, 66786, 77917, 89048, 111310, 133572, 155834, 166965, 222620, 233751, 267144, 311668, 333930, 345061, 389585, 445240, 467502, 623336, 667860, 690122, 779170, 935004, 1035183, 1168755, 1335720, 1380244, 1558340, 1725305, 1870008, 2070366, 2337510, 2415427, 2760488, 3116680, 3450610, 4140732, 4675020, 4830854, 5175915, 6901220, 7246281, 8281464, 9350040, 9661708, 10351830, 12077135, 13802440, 14492562, 19323416, 20703660, 24154270, 28985124, 36231405, 41407320, 48308540, 57970248, 72462810, 96617080, 144925620, 289851240]

約数ペア:

[(1, 289851240), (2, 144925620), (3, 96617080), (4, 72462810), (5, 57970248), (6, 48308540), (7, 41407320), (8, 36231405), (10, 28985124), (12, 24154270), (14, 20703660), (15, 19323416), (20, 14492562), (21, 13802440), (24, 12077135), (28, 10351830), (30, 9661708), (31, 9350040), (35, 8281464), (40, 7246281), (42, 6901220), (56, 5175915), (60, 4830854), (62, 4675020), (70, 4140732), (84, 3450610), (93, 3116680), (105, 2760488), (120, 2415427), (124, 2337510), (140, 2070366), (155, 1870008), (168, 1725305), (186, 1558340), (210, 1380244), (217, 1335720), (248, 1168755), (280, 1035183), (310, 935004), (372, 779170), (420, 690122), (434, 667860), (465, 623336), (620, 467502), (651, 445240), (744, 389585), (840, 345061), (868, 333930), (930, 311668), (1085, 267144), (1240, 233751), (1302, 222620), (1736, 166965), (1860, 155834), (2170, 133572), (2604, 111310), (3255, 89048), (3720, 77917), (4340, 66786), (5208, 55655), (6510, 44524), (8680, 33393), (11131, 26040), (13020, 22262)]