1559386880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71663}}^1$

素因数の和:71701

約数の個数: 72

約数和(自身を含む): 3954992832

約数和(自身を除く): 2395605952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 71663, 143326, 286652, 358315, 573304, 716630, 1146608, 1218271, 1433260, 2293216, 2436542, 2866520, 4586432, 4873084, 5733040, 6091355, 9172864, 9746168, 11466080, 12182710, 18345728, 19492336, 22932160, 24365420, 38984672, 45864320, 48730840, 77969344, 91728640, 97461680, 155938688, 194923360, 311877376, 389846720, 779693440, 1559386880]

約数ペア:

[(1, 1559386880), (2, 779693440), (4, 389846720), (5, 311877376), (8, 194923360), (10, 155938688), (16, 97461680), (17, 91728640), (20, 77969344), (32, 48730840), (34, 45864320), (40, 38984672), (64, 24365420), (68, 22932160), (80, 19492336), (85, 18345728), (128, 12182710), (136, 11466080), (160, 9746168), (170, 9172864), (256, 6091355), (272, 5733040), (320, 4873084), (340, 4586432), (544, 2866520), (640, 2436542), (680, 2293216), (1088, 1433260), (1280, 1218271), (1360, 1146608), (2176, 716630), (2720, 573304), (4352, 358315), (5440, 286652), (10880, 143326), (21760, 71663)]