64205680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 120

約数和(自身を含む): 189563760

約数和(自身を除く): 125358080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1489, 1540, 1960, 2156, 2695, 2978, 3080, 3920, 4312, 5390, 5956, 6160, 7445, 8624, 10423, 10780, 11912, 14890, 16379, 20846, 21560, 23824, 29780, 32758, 41692, 43120, 52115, 59560, 65516, 72961, 81895, 83384, 104230, 114653, 119120, 131032, 145922, 163790, 166768, 208460, 229306, 262064, 291844, 327580, 364805, 416920, 458612, 573265, 583688, 655160, 729610, 802571, 833840, 917224, 1146530, 1167376, 1310320, 1459220, 1605142, 1834448, 2293060, 2918440, 3210284, 4012855, 4586120, 5836880, 6420568, 8025710, 9172240, 12841136, 16051420, 32102840, 64205680]

約数ペア:

[(1, 64205680), (2, 32102840), (4, 16051420), (5, 12841136), (7, 9172240), (8, 8025710), (10, 6420568), (11, 5836880), (14, 4586120), (16, 4012855), (20, 3210284), (22, 2918440), (28, 2293060), (35, 1834448), (40, 1605142), (44, 1459220), (49, 1310320), (55, 1167376), (56, 1146530), (70, 917224), (77, 833840), (80, 802571), (88, 729610), (98, 655160), (110, 583688), (112, 573265), (140, 458612), (154, 416920), (176, 364805), (196, 327580), (220, 291844), (245, 262064), (280, 229306), (308, 208460), (385, 166768), (392, 163790), (440, 145922), (490, 131032), (539, 119120), (560, 114653), (616, 104230), (770, 83384), (784, 81895), (880, 72961), (980, 65516), (1078, 59560), (1232, 52115), (1489, 43120), (1540, 41692), (1960, 32758), (2156, 29780), (2695, 23824), (2978, 21560), (3080, 20846), (3920, 16379), (4312, 14890), (5390, 11912), (5956, 10780), (6160, 10423), (7445, 8624)]