72144240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42943}}^1$

素因数の和:42966

約数の個数: 80

約数和(自身を含む): 255602688

約数和(自身を除く): 183458448

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, 42943, 85886, 128829, 171772, 214715, 257658, 300601, 343544, 429430, 515316, 601202, 644145, 687088, 858860, 901803, 1030632, 1202404, 1288290, 1503005, 1717720, 1803606, 2061264, 2404808, 2576580, 3006010, 3435440, 3607212, 4509015, 4809616, 5153160, 6012020, 7214424, 9018030, 10306320, 12024040, 14428848, 18036060, 24048080, 36072120, 72144240]

約数ペア:

[(1, 72144240), (2, 36072120), (3, 24048080), (4, 18036060), (5, 14428848), (6, 12024040), (7, 10306320), (8, 9018030), (10, 7214424), (12, 6012020), (14, 5153160), (15, 4809616), (16, 4509015), (20, 3607212), (21, 3435440), (24, 3006010), (28, 2576580), (30, 2404808), (35, 2061264), (40, 1803606), (42, 1717720), (48, 1503005), (56, 1288290), (60, 1202404), (70, 1030632), (80, 901803), (84, 858860), (105, 687088), (112, 644145), (120, 601202), (140, 515316), (168, 429430), (210, 343544), (240, 300601), (280, 257658), (336, 214715), (420, 171772), (560, 128829), (840, 85886), (1680, 42943)]