2493680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 6826944

約数和(自身を除く): 4333264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 73, 80, 112, 122, 140, 146, 244, 280, 292, 305, 365, 427, 488, 511, 560, 584, 610, 730, 854, 976, 1022, 1168, 1220, 1460, 1708, 2044, 2135, 2440, 2555, 2920, 3416, 4088, 4270, 4453, 4880, 5110, 5840, 6832, 8176, 8540, 8906, 10220, 17080, 17812, 20440, 22265, 31171, 34160, 35624, 40880, 44530, 62342, 71248, 89060, 124684, 155855, 178120, 249368, 311710, 356240, 498736, 623420, 1246840, 2493680]

約数ペア:

[(1, 2493680), (2, 1246840), (4, 623420), (5, 498736), (7, 356240), (8, 311710), (10, 249368), (14, 178120), (16, 155855), (20, 124684), (28, 89060), (35, 71248), (40, 62342), (56, 44530), (61, 40880), (70, 35624), (73, 34160), (80, 31171), (112, 22265), (122, 20440), (140, 17812), (146, 17080), (244, 10220), (280, 8906), (292, 8540), (305, 8176), (365, 6832), (427, 5840), (488, 5110), (511, 4880), (560, 4453), (584, 4270), (610, 4088), (730, 3416), (854, 2920), (976, 2555), (1022, 2440), (1168, 2135), (1220, 2044), (1460, 1708)]