12540220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 34836480

約数和(自身を除く): 22296260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 479, 595, 748, 770, 935, 958, 1190, 1309, 1540, 1870, 1916, 2380, 2395, 2618, 3353, 3740, 4790, 5236, 5269, 6545, 6706, 8143, 9580, 10538, 13090, 13412, 16286, 16765, 21076, 26180, 26345, 32572, 33530, 36883, 40715, 52690, 57001, 67060, 73766, 81430, 89573, 105380, 114002, 147532, 162860, 179146, 184415, 228004, 285005, 358292, 368830, 447865, 570010, 627011, 737660, 895730, 1140020, 1254022, 1791460, 2508044, 3135055, 6270110, 12540220]

約数ペア:

[(1, 12540220), (2, 6270110), (4, 3135055), (5, 2508044), (7, 1791460), (10, 1254022), (11, 1140020), (14, 895730), (17, 737660), (20, 627011), (22, 570010), (28, 447865), (34, 368830), (35, 358292), (44, 285005), (55, 228004), (68, 184415), (70, 179146), (77, 162860), (85, 147532), (110, 114002), (119, 105380), (140, 89573), (154, 81430), (170, 73766), (187, 67060), (220, 57001), (238, 52690), (308, 40715), (340, 36883), (374, 33530), (385, 32572), (476, 26345), (479, 26180), (595, 21076), (748, 16765), (770, 16286), (935, 13412), (958, 13090), (1190, 10538), (1309, 9580), (1540, 8143), (1870, 6706), (1916, 6545), (2380, 5269), (2395, 5236), (2618, 4790), (3353, 3740)]