15381560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 36197280

約数和(自身を除く): 20815720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 113, 164, 166, 205, 226, 328, 332, 410, 415, 452, 565, 664, 820, 830, 904, 1130, 1640, 1660, 2260, 3320, 3403, 4520, 4633, 6806, 9266, 9379, 13612, 17015, 18532, 18758, 23165, 27224, 34030, 37064, 37516, 46330, 46895, 68060, 75032, 92660, 93790, 136120, 185320, 187580, 375160, 384539, 769078, 1538156, 1922695, 3076312, 3845390, 7690780, 15381560]

約数ペア:

[(1, 15381560), (2, 7690780), (4, 3845390), (5, 3076312), (8, 1922695), (10, 1538156), (20, 769078), (40, 384539), (41, 375160), (82, 187580), (83, 185320), (113, 136120), (164, 93790), (166, 92660), (205, 75032), (226, 68060), (328, 46895), (332, 46330), (410, 37516), (415, 37064), (452, 34030), (565, 27224), (664, 23165), (820, 18758), (830, 18532), (904, 17015), (1130, 13612), (1640, 9379), (1660, 9266), (2260, 6806), (3320, 4633), (3403, 4520)]