30281680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2684

約数の個数: 80

約数和(自身を含む): 82744704

約数和(自身を除く): 52463024

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2647, 2860, 5294, 5720, 10588, 11440, 13235, 21176, 26470, 29117, 34411, 42352, 52940, 58234, 68822, 105880, 116468, 137644, 145585, 172055, 211760, 232936, 275288, 291170, 344110, 378521, 465872, 550576, 582340, 688220, 757042, 1164680, 1376440, 1514084, 1892605, 2329360, 2752880, 3028168, 3785210, 6056336, 7570420, 15140840, 30281680]

約数ペア:

[(1, 30281680), (2, 15140840), (4, 7570420), (5, 6056336), (8, 3785210), (10, 3028168), (11, 2752880), (13, 2329360), (16, 1892605), (20, 1514084), (22, 1376440), (26, 1164680), (40, 757042), (44, 688220), (52, 582340), (55, 550576), (65, 465872), (80, 378521), (88, 344110), (104, 291170), (110, 275288), (130, 232936), (143, 211760), (176, 172055), (208, 145585), (220, 137644), (260, 116468), (286, 105880), (440, 68822), (520, 58234), (572, 52940), (715, 42352), (880, 34411), (1040, 29117), (1144, 26470), (1430, 21176), (2288, 13235), (2647, 11440), (2860, 10588), (5294, 5720)]