28869720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21871}}^1$

素因数の和:21896

約数の個数: 64

約数和(自身を含む): 94487040

約数和(自身を除く): 65617320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21871, 43742, 65613, 87484, 109355, 131226, 174968, 218710, 240581, 262452, 328065, 437420, 481162, 524904, 656130, 721743, 874840, 962324, 1202905, 1312260, 1443486, 1924648, 2405810, 2624520, 2886972, 3608715, 4811620, 5773944, 7217430, 9623240, 14434860, 28869720]

約数ペア:

[(1, 28869720), (2, 14434860), (3, 9623240), (4, 7217430), (5, 5773944), (6, 4811620), (8, 3608715), (10, 2886972), (11, 2624520), (12, 2405810), (15, 1924648), (20, 1443486), (22, 1312260), (24, 1202905), (30, 962324), (33, 874840), (40, 721743), (44, 656130), (55, 524904), (60, 481162), (66, 437420), (88, 328065), (110, 262452), (120, 240581), (132, 218710), (165, 174968), (220, 131226), (264, 109355), (330, 87484), (440, 65613), (660, 43742), (1320, 21871)]