7800240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{4643}}^1$

素因数の和:4666

約数の個数: 80

約数和(自身を含む): 27641088

約数和(自身を除く): 19840848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 4643, 9286, 13929, 18572, 23215, 27858, 32501, 37144, 46430, 55716, 65002, 69645, 74288, 92860, 97503, 111432, 130004, 139290, 162505, 185720, 195006, 222864, 260008, 278580, 325010, 371440, 390012, 487515, 520016, 557160, 650020, 780024, 975030, 1114320, 1300040, 1560048, 1950060, 2600080, 3900120, 7800240]

約数ペア:

[(1, 7800240), (2, 3900120), (3, 2600080), (4, 1950060), (5, 1560048), (6, 1300040), (7, 1114320), (8, 975030), (10, 780024), (12, 650020), (14, 557160), (15, 520016), (16, 487515), (20, 390012), (21, 371440), (24, 325010), (28, 278580), (30, 260008), (35, 222864), (40, 195006), (42, 185720), (48, 162505), (56, 139290), (60, 130004), (70, 111432), (80, 97503), (84, 92860), (105, 74288), (112, 69645), (120, 65002), (140, 55716), (168, 46430), (210, 37144), (240, 32501), (280, 27858), (336, 23215), (420, 18572), (560, 13929), (840, 9286), (1680, 4643)]