64069720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 177085440

約数和(自身を除く): 113015720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 440, 460, 487, 506, 520, 572, 598, 715, 920, 974, 1012, 1144, 1196, 1265, 1430, 1495, 1948, 2024, 2392, 2435, 2530, 2860, 2990, 3289, 3896, 4870, 5060, 5357, 5720, 5980, 6331, 6578, 9740, 10120, 10714, 11201, 11960, 12662, 13156, 16445, 19480, 21428, 22402, 25324, 26312, 26785, 31655, 32890, 42856, 44804, 50648, 53570, 56005, 63310, 65780, 69641, 89608, 107140, 112010, 123211, 126620, 131560, 139282, 145613, 214280, 224020, 246422, 253240, 278564, 291226, 348205, 448040, 492844, 557128, 582452, 616055, 696410, 728065, 985688, 1164904, 1232110, 1392820, 1456130, 1601743, 2464220, 2785640, 2912260, 3203486, 4928440, 5824520, 6406972, 8008715, 12813944, 16017430, 32034860, 64069720]

約数ペア:

[(1, 64069720), (2, 32034860), (4, 16017430), (5, 12813944), (8, 8008715), (10, 6406972), (11, 5824520), (13, 4928440), (20, 3203486), (22, 2912260), (23, 2785640), (26, 2464220), (40, 1601743), (44, 1456130), (46, 1392820), (52, 1232110), (55, 1164904), (65, 985688), (88, 728065), (92, 696410), (104, 616055), (110, 582452), (115, 557128), (130, 492844), (143, 448040), (184, 348205), (220, 291226), (230, 278564), (253, 253240), (260, 246422), (286, 224020), (299, 214280), (440, 145613), (460, 139282), (487, 131560), (506, 126620), (520, 123211), (572, 112010), (598, 107140), (715, 89608), (920, 69641), (974, 65780), (1012, 63310), (1144, 56005), (1196, 53570), (1265, 50648), (1430, 44804), (1495, 42856), (1948, 32890), (2024, 31655), (2392, 26785), (2435, 26312), (2530, 25324), (2860, 22402), (2990, 21428), (3289, 19480), (3896, 16445), (4870, 13156), (5060, 12662), (5357, 11960), (5720, 11201), (5980, 10714), (6331, 10120), (6578, 9740)]