64790440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 175633920

約数和(自身を除く): 110843480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 47, 52, 55, 65, 88, 94, 104, 110, 130, 143, 188, 220, 235, 241, 260, 286, 376, 440, 470, 482, 517, 520, 572, 611, 715, 940, 964, 1034, 1144, 1205, 1222, 1430, 1880, 1928, 2068, 2410, 2444, 2585, 2651, 2860, 3055, 3133, 4136, 4820, 4888, 5170, 5302, 5720, 6110, 6266, 6721, 9640, 10340, 10604, 11327, 12220, 12532, 13255, 13442, 15665, 20680, 21208, 22654, 24440, 25064, 26510, 26884, 31330, 33605, 34463, 45308, 53020, 53768, 56635, 62660, 67210, 68926, 90616, 106040, 113270, 124597, 125320, 134420, 137852, 147251, 172315, 226540, 249194, 268840, 275704, 294502, 344630, 453080, 498388, 589004, 622985, 689260, 736255, 996776, 1178008, 1245970, 1378520, 1472510, 1619761, 2491940, 2945020, 3239522, 4983880, 5890040, 6479044, 8098805, 12958088, 16197610, 32395220, 64790440]

約数ペア:

[(1, 64790440), (2, 32395220), (4, 16197610), (5, 12958088), (8, 8098805), (10, 6479044), (11, 5890040), (13, 4983880), (20, 3239522), (22, 2945020), (26, 2491940), (40, 1619761), (44, 1472510), (47, 1378520), (52, 1245970), (55, 1178008), (65, 996776), (88, 736255), (94, 689260), (104, 622985), (110, 589004), (130, 498388), (143, 453080), (188, 344630), (220, 294502), (235, 275704), (241, 268840), (260, 249194), (286, 226540), (376, 172315), (440, 147251), (470, 137852), (482, 134420), (517, 125320), (520, 124597), (572, 113270), (611, 106040), (715, 90616), (940, 68926), (964, 67210), (1034, 62660), (1144, 56635), (1205, 53768), (1222, 53020), (1430, 45308), (1880, 34463), (1928, 33605), (2068, 31330), (2410, 26884), (2444, 26510), (2585, 25064), (2651, 24440), (2860, 22654), (3055, 21208), (3133, 20680), (4136, 15665), (4820, 13442), (4888, 13255), (5170, 12532), (5302, 12220), (5720, 11327), (6110, 10604), (6266, 10340), (6721, 9640)]