15886840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 22682120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 383, 488, 610, 680, 766, 1037, 1220, 1532, 1915, 2074, 2440, 3064, 3830, 4148, 5185, 6511, 7660, 8296, 10370, 13022, 15320, 20740, 23363, 26044, 32555, 41480, 46726, 52088, 65110, 93452, 116815, 130220, 186904, 233630, 260440, 397171, 467260, 794342, 934520, 1588684, 1985855, 3177368, 3971710, 7943420, 15886840]

約数ペア:

[(1, 15886840), (2, 7943420), (4, 3971710), (5, 3177368), (8, 1985855), (10, 1588684), (17, 934520), (20, 794342), (34, 467260), (40, 397171), (61, 260440), (68, 233630), (85, 186904), (122, 130220), (136, 116815), (170, 93452), (244, 65110), (305, 52088), (340, 46726), (383, 41480), (488, 32555), (610, 26044), (680, 23363), (766, 20740), (1037, 15320), (1220, 13022), (1532, 10370), (1915, 8296), (2074, 7660), (2440, 6511), (3064, 5185), (3830, 4148)]