1980240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 6332928

約数和(自身を除く): 4352688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 223, 240, 296, 370, 444, 446, 555, 592, 669, 740, 888, 892, 1110, 1115, 1338, 1480, 1776, 1784, 2220, 2230, 2676, 2960, 3345, 3568, 4440, 4460, 5352, 6690, 8251, 8880, 8920, 10704, 13380, 16502, 17840, 24753, 26760, 33004, 41255, 49506, 53520, 66008, 82510, 99012, 123765, 132016, 165020, 198024, 247530, 330040, 396048, 495060, 660080, 990120, 1980240]

約数ペア:

[(1, 1980240), (2, 990120), (3, 660080), (4, 495060), (5, 396048), (6, 330040), (8, 247530), (10, 198024), (12, 165020), (15, 132016), (16, 123765), (20, 99012), (24, 82510), (30, 66008), (37, 53520), (40, 49506), (48, 41255), (60, 33004), (74, 26760), (80, 24753), (111, 17840), (120, 16502), (148, 13380), (185, 10704), (222, 8920), (223, 8880), (240, 8251), (296, 6690), (370, 5352), (444, 4460), (446, 4440), (555, 3568), (592, 3345), (669, 2960), (740, 2676), (888, 2230), (892, 2220), (1110, 1784), (1115, 1776), (1338, 1480)]