65480520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 226540800

約数和(自身を除く): 161060280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 210, 274, 280, 411, 420, 548, 569, 685, 822, 840, 959, 1096, 1138, 1370, 1644, 1707, 1918, 2055, 2276, 2740, 2845, 2877, 3288, 3414, 3836, 3983, 4110, 4552, 4795, 5480, 5690, 5754, 6828, 7672, 7966, 8220, 8535, 9590, 11380, 11508, 11949, 13656, 14385, 15932, 16440, 17070, 19180, 19915, 22760, 23016, 23898, 28770, 31864, 34140, 38360, 39830, 47796, 57540, 59745, 68280, 77953, 79660, 95592, 115080, 119490, 155906, 159320, 233859, 238980, 311812, 389765, 467718, 477960, 545671, 623624, 779530, 935436, 1091342, 1169295, 1559060, 1637013, 1870872, 2182684, 2338590, 2728355, 3118120, 3274026, 4365368, 4677180, 5456710, 6548052, 8185065, 9354360, 10913420, 13096104, 16370130, 21826840, 32740260, 65480520]

約数ペア:

[(1, 65480520), (2, 32740260), (3, 21826840), (4, 16370130), (5, 13096104), (6, 10913420), (7, 9354360), (8, 8185065), (10, 6548052), (12, 5456710), (14, 4677180), (15, 4365368), (20, 3274026), (21, 3118120), (24, 2728355), (28, 2338590), (30, 2182684), (35, 1870872), (40, 1637013), (42, 1559060), (56, 1169295), (60, 1091342), (70, 935436), (84, 779530), (105, 623624), (120, 545671), (137, 477960), (140, 467718), (168, 389765), (210, 311812), (274, 238980), (280, 233859), (411, 159320), (420, 155906), (548, 119490), (569, 115080), (685, 95592), (822, 79660), (840, 77953), (959, 68280), (1096, 59745), (1138, 57540), (1370, 47796), (1644, 39830), (1707, 38360), (1918, 34140), (2055, 31864), (2276, 28770), (2740, 23898), (2845, 23016), (2877, 22760), (3288, 19915), (3414, 19180), (3836, 17070), (3983, 16440), (4110, 15932), (4552, 14385), (4795, 13656), (5480, 11949), (5690, 11508), (5754, 11380), (6828, 9590), (7672, 8535), (7966, 8220)]