201742020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2143}}^1$

素因数の和:2681

約数の個数: 72

約数和(自身を含む): 613406976

約数和(自身を除く): 411664956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 1046, 1569, 2092, 2143, 2615, 3138, 4286, 4707, 5230, 6276, 6429, 7845, 8572, 9414, 10460, 10715, 12858, 15690, 18828, 19287, 21430, 23535, 25716, 31380, 32145, 38574, 42860, 47070, 64290, 77148, 94140, 96435, 128580, 192870, 385740, 1120789, 2241578, 3362367, 4483156, 5603945, 6724734, 10087101, 11207890, 13449468, 16811835, 20174202, 22415780, 33623670, 40348404, 50435505, 67247340, 100871010, 201742020]

約数ペア:

[(1, 201742020), (2, 100871010), (3, 67247340), (4, 50435505), (5, 40348404), (6, 33623670), (9, 22415780), (10, 20174202), (12, 16811835), (15, 13449468), (18, 11207890), (20, 10087101), (30, 6724734), (36, 5603945), (45, 4483156), (60, 3362367), (90, 2241578), (180, 1120789), (523, 385740), (1046, 192870), (1569, 128580), (2092, 96435), (2143, 94140), (2615, 77148), (3138, 64290), (4286, 47070), (4707, 42860), (5230, 38574), (6276, 32145), (6429, 31380), (7845, 25716), (8572, 23535), (9414, 21430), (10460, 19287), (10715, 18828), (12858, 15690)]