1320454920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{354961}}^1$

素因数の和:355006

約数の個数: 64

約数和(自身を含む): 4089162240

約数和(自身を除く): 2768707320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 354961, 709922, 1064883, 1419844, 1774805, 2129766, 2839688, 3549610, 4259532, 5324415, 7099220, 8519064, 10648830, 11003791, 14198440, 21297660, 22007582, 33011373, 42595320, 44015164, 55018955, 66022746, 88030328, 110037910, 132045492, 165056865, 220075820, 264090984, 330113730, 440151640, 660227460, 1320454920]

約数ペア:

[(1, 1320454920), (2, 660227460), (3, 440151640), (4, 330113730), (5, 264090984), (6, 220075820), (8, 165056865), (10, 132045492), (12, 110037910), (15, 88030328), (20, 66022746), (24, 55018955), (30, 44015164), (31, 42595320), (40, 33011373), (60, 22007582), (62, 21297660), (93, 14198440), (120, 11003791), (124, 10648830), (155, 8519064), (186, 7099220), (248, 5324415), (310, 4259532), (372, 3549610), (465, 2839688), (620, 2129766), (744, 1774805), (930, 1419844), (1240, 1064883), (1860, 709922), (3720, 354961)]