61540440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 201277440

約数和(自身を除く): 139737000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 206, 260, 309, 312, 383, 390, 412, 515, 520, 618, 766, 780, 824, 1030, 1149, 1236, 1339, 1532, 1545, 1560, 1915, 2060, 2298, 2472, 2678, 3064, 3090, 3830, 4017, 4120, 4596, 4979, 5356, 5745, 6180, 6695, 7660, 8034, 9192, 9958, 10712, 11490, 12360, 13390, 14937, 15320, 16068, 19916, 20085, 22980, 24895, 26780, 29874, 32136, 39449, 39832, 40170, 45960, 49790, 53560, 59748, 74685, 78898, 80340, 99580, 118347, 119496, 149370, 157796, 160680, 197245, 199160, 236694, 298740, 315592, 394490, 473388, 512837, 591735, 597480, 788980, 946776, 1025674, 1183470, 1538511, 1577960, 2051348, 2366940, 2564185, 3077022, 4102696, 4733880, 5128370, 6154044, 7692555, 10256740, 12308088, 15385110, 20513480, 30770220, 61540440]

約数ペア:

[(1, 61540440), (2, 30770220), (3, 20513480), (4, 15385110), (5, 12308088), (6, 10256740), (8, 7692555), (10, 6154044), (12, 5128370), (13, 4733880), (15, 4102696), (20, 3077022), (24, 2564185), (26, 2366940), (30, 2051348), (39, 1577960), (40, 1538511), (52, 1183470), (60, 1025674), (65, 946776), (78, 788980), (103, 597480), (104, 591735), (120, 512837), (130, 473388), (156, 394490), (195, 315592), (206, 298740), (260, 236694), (309, 199160), (312, 197245), (383, 160680), (390, 157796), (412, 149370), (515, 119496), (520, 118347), (618, 99580), (766, 80340), (780, 78898), (824, 74685), (1030, 59748), (1149, 53560), (1236, 49790), (1339, 45960), (1532, 40170), (1545, 39832), (1560, 39449), (1915, 32136), (2060, 29874), (2298, 26780), (2472, 24895), (2678, 22980), (3064, 20085), (3090, 19916), (3830, 16068), (4017, 15320), (4120, 14937), (4596, 13390), (4979, 12360), (5356, 11490), (5745, 10712), (6180, 9958), (6695, 9192), (7660, 8034)]