450054280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27919}}^1$

素因数の和:27974

約数の個数: 64

約数和(自身を含む): 1125734400

約数和(自身を除く): 675680120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 27919, 55838, 111676, 139595, 223352, 279190, 362947, 558380, 725894, 865489, 1116760, 1451788, 1730978, 1814735, 2903576, 3461956, 3629470, 4327445, 6923912, 7258940, 8654890, 11251357, 14517880, 17309780, 22502714, 34619560, 45005428, 56256785, 90010856, 112513570, 225027140, 450054280]

約数ペア:

[(1, 450054280), (2, 225027140), (4, 112513570), (5, 90010856), (8, 56256785), (10, 45005428), (13, 34619560), (20, 22502714), (26, 17309780), (31, 14517880), (40, 11251357), (52, 8654890), (62, 7258940), (65, 6923912), (104, 4327445), (124, 3629470), (130, 3461956), (155, 2903576), (248, 1814735), (260, 1730978), (310, 1451788), (403, 1116760), (520, 865489), (620, 725894), (806, 558380), (1240, 362947), (1612, 279190), (2015, 223352), (3224, 139595), (4030, 111676), (8060, 55838), (16120, 27919)]