216809560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3023}}^1$

素因数の和:3208

約数の個数: 64

約数和(自身を含む): 535610880

約数和(自身を除く): 318801320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1304, 1630, 1793, 3023, 3260, 3586, 6046, 6520, 7172, 8965, 12092, 14344, 15115, 17930, 24184, 30230, 33253, 35860, 60460, 66506, 71720, 120920, 133012, 166265, 266024, 332530, 492749, 665060, 985498, 1330120, 1970996, 2463745, 3941992, 4927490, 5420239, 9854980, 10840478, 19709960, 21680956, 27101195, 43361912, 54202390, 108404780, 216809560]

約数ペア:

[(1, 216809560), (2, 108404780), (4, 54202390), (5, 43361912), (8, 27101195), (10, 21680956), (11, 19709960), (20, 10840478), (22, 9854980), (40, 5420239), (44, 4927490), (55, 3941992), (88, 2463745), (110, 1970996), (163, 1330120), (220, 985498), (326, 665060), (440, 492749), (652, 332530), (815, 266024), (1304, 166265), (1630, 133012), (1793, 120920), (3023, 71720), (3260, 66506), (3586, 60460), (6046, 35860), (6520, 33253), (7172, 30230), (8965, 24184), (12092, 17930), (14344, 15115)]