30418020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 92723904

約数和(自身を除く): 62305884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 487, 694, 974, 1041, 1388, 1461, 1735, 1948, 2082, 2435, 2922, 3123, 3470, 4164, 4383, 4870, 5205, 5844, 6246, 6940, 7305, 8766, 9740, 10410, 12492, 14610, 15615, 17532, 20820, 21915, 29220, 31230, 43830, 62460, 87660, 168989, 337978, 506967, 675956, 844945, 1013934, 1520901, 1689890, 2027868, 2534835, 3041802, 3379780, 5069670, 6083604, 7604505, 10139340, 15209010, 30418020]

約数ペア:

[(1, 30418020), (2, 15209010), (3, 10139340), (4, 7604505), (5, 6083604), (6, 5069670), (9, 3379780), (10, 3041802), (12, 2534835), (15, 2027868), (18, 1689890), (20, 1520901), (30, 1013934), (36, 844945), (45, 675956), (60, 506967), (90, 337978), (180, 168989), (347, 87660), (487, 62460), (694, 43830), (974, 31230), (1041, 29220), (1388, 21915), (1461, 20820), (1735, 17532), (1948, 15615), (2082, 14610), (2435, 12492), (2922, 10410), (3123, 9740), (3470, 8766), (4164, 7305), (4383, 6940), (4870, 6246), (5205, 5844)]