64109240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 165957120

約数和(自身を除く): 101847880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 97, 104, 124, 130, 155, 164, 194, 205, 248, 260, 310, 328, 388, 403, 410, 485, 520, 533, 620, 776, 806, 820, 970, 1066, 1240, 1261, 1271, 1612, 1640, 1940, 2015, 2132, 2522, 2542, 2665, 3007, 3224, 3880, 3977, 4030, 4264, 5044, 5084, 5330, 6014, 6305, 6355, 7954, 8060, 10088, 10168, 10660, 12028, 12610, 12710, 15035, 15908, 16120, 16523, 19885, 21320, 24056, 25220, 25420, 30070, 31816, 33046, 39091, 39770, 50440, 50840, 51701, 60140, 66092, 78182, 79540, 82615, 103402, 120280, 123287, 132184, 156364, 159080, 165230, 195455, 206804, 246574, 258505, 312728, 330460, 390910, 413608, 493148, 517010, 616435, 660920, 781820, 986296, 1034020, 1232870, 1563640, 1602731, 2068040, 2465740, 3205462, 4931480, 6410924, 8013655, 12821848, 16027310, 32054620, 64109240]

約数ペア:

[(1, 64109240), (2, 32054620), (4, 16027310), (5, 12821848), (8, 8013655), (10, 6410924), (13, 4931480), (20, 3205462), (26, 2465740), (31, 2068040), (40, 1602731), (41, 1563640), (52, 1232870), (62, 1034020), (65, 986296), (82, 781820), (97, 660920), (104, 616435), (124, 517010), (130, 493148), (155, 413608), (164, 390910), (194, 330460), (205, 312728), (248, 258505), (260, 246574), (310, 206804), (328, 195455), (388, 165230), (403, 159080), (410, 156364), (485, 132184), (520, 123287), (533, 120280), (620, 103402), (776, 82615), (806, 79540), (820, 78182), (970, 66092), (1066, 60140), (1240, 51701), (1261, 50840), (1271, 50440), (1612, 39770), (1640, 39091), (1940, 33046), (2015, 31816), (2132, 30070), (2522, 25420), (2542, 25220), (2665, 24056), (3007, 21320), (3224, 19885), (3880, 16523), (3977, 16120), (4030, 15908), (4264, 15035), (5044, 12710), (5084, 12610), (5330, 12028), (6014, 10660), (6305, 10168), (6355, 10088), (7954, 8060)]