163661220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1867}}^1$

素因数の和:2369

約数の個数: 72

約数和(自身を含む): 497724864

約数和(自身を除く): 334063644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1867, 1948, 2435, 2922, 3734, 4383, 4870, 5601, 5844, 7305, 7468, 8766, 9335, 9740, 11202, 14610, 16803, 17532, 18670, 21915, 22404, 28005, 29220, 33606, 37340, 43830, 56010, 67212, 84015, 87660, 112020, 168030, 336060, 909229, 1818458, 2727687, 3636916, 4546145, 5455374, 8183061, 9092290, 10910748, 13638435, 16366122, 18184580, 27276870, 32732244, 40915305, 54553740, 81830610, 163661220]

約数ペア:

[(1, 163661220), (2, 81830610), (3, 54553740), (4, 40915305), (5, 32732244), (6, 27276870), (9, 18184580), (10, 16366122), (12, 13638435), (15, 10910748), (18, 9092290), (20, 8183061), (30, 5455374), (36, 4546145), (45, 3636916), (60, 2727687), (90, 1818458), (180, 909229), (487, 336060), (974, 168030), (1461, 112020), (1867, 87660), (1948, 84015), (2435, 67212), (2922, 56010), (3734, 43830), (4383, 37340), (4870, 33606), (5601, 29220), (5844, 28005), (7305, 22404), (7468, 21915), (8766, 18670), (9335, 17532), (9740, 16803), (11202, 14610)]