15705280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2887}}^1$

素因数の和:2921

約数の個数: 56

約数和(自身を含む): 39611808

約数和(自身を除く): 23906528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 2887, 5440, 5774, 11548, 14435, 23096, 28870, 46192, 49079, 57740, 92384, 98158, 115480, 184768, 196316, 230960, 245395, 392632, 461920, 490790, 785264, 923840, 981580, 1570528, 1963160, 3141056, 3926320, 7852640, 15705280]

約数ペア:

[(1, 15705280), (2, 7852640), (4, 3926320), (5, 3141056), (8, 1963160), (10, 1570528), (16, 981580), (17, 923840), (20, 785264), (32, 490790), (34, 461920), (40, 392632), (64, 245395), (68, 230960), (80, 196316), (85, 184768), (136, 115480), (160, 98158), (170, 92384), (272, 57740), (320, 49079), (340, 46192), (544, 28870), (680, 23096), (1088, 14435), (1360, 11548), (2720, 5774), (2887, 5440)]