1247179920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{742369}}^1$

素因数の和:742392

約数の個数: 80

約数和(自身を含む): 4418586240

約数和(自身を除く): 3171406320

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, 742369, 1484738, 2227107, 2969476, 3711845, 4454214, 5196583, 5938952, 7423690, 8908428, 10393166, 11135535, 11877904, 14847380, 15589749, 17816856, 20786332, 22271070, 25982915, 29694760, 31179498, 35633712, 41572664, 44542140, 51965830, 59389520, 62358996, 77948745, 83145328, 89084280, 103931660, 124717992, 155897490, 178168560, 207863320, 249435984, 311794980, 415726640, 623589960, 1247179920]

約数ペア:

[(1, 1247179920), (2, 623589960), (3, 415726640), (4, 311794980), (5, 249435984), (6, 207863320), (7, 178168560), (8, 155897490), (10, 124717992), (12, 103931660), (14, 89084280), (15, 83145328), (16, 77948745), (20, 62358996), (21, 59389520), (24, 51965830), (28, 44542140), (30, 41572664), (35, 35633712), (40, 31179498), (42, 29694760), (48, 25982915), (56, 22271070), (60, 20786332), (70, 17816856), (80, 15589749), (84, 14847380), (105, 11877904), (112, 11135535), (120, 10393166), (140, 8908428), (168, 7423690), (210, 5938952), (240, 5196583), (280, 4454214), (336, 3711845), (420, 2969476), (560, 2227107), (840, 1484738), (1680, 742369)]