51237420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 161344512

約数和(自身を除く): 110107092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 163, 169, 186, 195, 260, 310, 326, 338, 372, 390, 403, 465, 489, 507, 620, 652, 676, 780, 806, 815, 845, 930, 978, 1014, 1209, 1612, 1630, 1690, 1860, 1956, 2015, 2028, 2119, 2418, 2445, 2535, 3260, 3380, 4030, 4238, 4836, 4890, 5053, 5070, 5239, 6045, 6357, 8060, 8476, 9780, 10106, 10140, 10478, 10595, 12090, 12714, 15159, 15717, 20212, 20956, 21190, 24180, 25265, 25428, 26195, 27547, 30318, 31434, 31785, 42380, 50530, 52390, 55094, 60636, 62868, 63570, 65689, 75795, 78585, 82641, 101060, 104780, 110188, 127140, 131378, 137735, 151590, 157170, 165282, 197067, 262756, 275470, 303180, 314340, 328445, 330564, 394134, 413205, 550940, 656890, 788268, 826410, 853957, 985335, 1313780, 1652820, 1707914, 1970670, 2561871, 3415828, 3941340, 4269785, 5123742, 8539570, 10247484, 12809355, 17079140, 25618710, 51237420]

約数ペア:

[(1, 51237420), (2, 25618710), (3, 17079140), (4, 12809355), (5, 10247484), (6, 8539570), (10, 5123742), (12, 4269785), (13, 3941340), (15, 3415828), (20, 2561871), (26, 1970670), (30, 1707914), (31, 1652820), (39, 1313780), (52, 985335), (60, 853957), (62, 826410), (65, 788268), (78, 656890), (93, 550940), (124, 413205), (130, 394134), (155, 330564), (156, 328445), (163, 314340), (169, 303180), (186, 275470), (195, 262756), (260, 197067), (310, 165282), (326, 157170), (338, 151590), (372, 137735), (390, 131378), (403, 127140), (465, 110188), (489, 104780), (507, 101060), (620, 82641), (652, 78585), (676, 75795), (780, 65689), (806, 63570), (815, 62868), (845, 60636), (930, 55094), (978, 52390), (1014, 50530), (1209, 42380), (1612, 31785), (1630, 31434), (1690, 30318), (1860, 27547), (1956, 26195), (2015, 25428), (2028, 25265), (2119, 24180), (2418, 21190), (2445, 20956), (2535, 20212), (3260, 15717), (3380, 15159), (4030, 12714), (4238, 12090), (4836, 10595), (4890, 10478), (5053, 10140), (5070, 10106), (5239, 9780), (6045, 8476), (6357, 8060)]