55402020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{887}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 168727104

約数和(自身を除く): 113325084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 887, 1041, 1388, 1735, 1774, 2082, 2661, 3123, 3470, 3548, 4164, 4435, 5205, 5322, 6246, 6940, 7983, 8870, 10410, 10644, 12492, 13305, 15615, 15966, 17740, 20820, 26610, 31230, 31932, 39915, 53220, 62460, 79830, 159660, 307789, 615578, 923367, 1231156, 1538945, 1846734, 2770101, 3077890, 3693468, 4616835, 5540202, 6155780, 9233670, 11080404, 13850505, 18467340, 27701010, 55402020]

約数ペア:

[(1, 55402020), (2, 27701010), (3, 18467340), (4, 13850505), (5, 11080404), (6, 9233670), (9, 6155780), (10, 5540202), (12, 4616835), (15, 3693468), (18, 3077890), (20, 2770101), (30, 1846734), (36, 1538945), (45, 1231156), (60, 923367), (90, 615578), (180, 307789), (347, 159660), (694, 79830), (887, 62460), (1041, 53220), (1388, 39915), (1735, 31932), (1774, 31230), (2082, 26610), (2661, 20820), (3123, 17740), (3470, 15966), (3548, 15615), (4164, 13305), (4435, 12492), (5205, 10644), (5322, 10410), (6246, 8870), (6940, 7983)]