211544520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3727}}^1$

素因数の和:3795

約数の個数: 128

約数和(自身を含む): 708618240

約数和(自身を除く): 497073720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2838, 3727, 3784, 4730, 5160, 5676, 7095, 7454, 9460, 11181, 11352, 14190, 14908, 18635, 18920, 22362, 28380, 29816, 37270, 40997, 44724, 55905, 56760, 74540, 81994, 89448, 111810, 122991, 149080, 160261, 163988, 204985, 223620, 245982, 320522, 327976, 409970, 447240, 480783, 491964, 614955, 641044, 801305, 819940, 961566, 983928, 1229910, 1282088, 1602610, 1639880, 1762871, 1923132, 2403915, 2459820, 3205220, 3525742, 3846264, 4807830, 4919640, 5288613, 6410440, 7051484, 8814355, 9615660, 10577226, 14102968, 17628710, 19231320, 21154452, 26443065, 35257420, 42308904, 52886130, 70514840, 105772260, 211544520]

約数ペア:

[(1, 211544520), (2, 105772260), (3, 70514840), (4, 52886130), (5, 42308904), (6, 35257420), (8, 26443065), (10, 21154452), (11, 19231320), (12, 17628710), (15, 14102968), (20, 10577226), (22, 9615660), (24, 8814355), (30, 7051484), (33, 6410440), (40, 5288613), (43, 4919640), (44, 4807830), (55, 3846264), (60, 3525742), (66, 3205220), (86, 2459820), (88, 2403915), (110, 1923132), (120, 1762871), (129, 1639880), (132, 1602610), (165, 1282088), (172, 1229910), (215, 983928), (220, 961566), (258, 819940), (264, 801305), (330, 641044), (344, 614955), (430, 491964), (440, 480783), (473, 447240), (516, 409970), (645, 327976), (660, 320522), (860, 245982), (946, 223620), (1032, 204985), (1290, 163988), (1320, 160261), (1419, 149080), (1720, 122991), (1892, 111810), (2365, 89448), (2580, 81994), (2838, 74540), (3727, 56760), (3784, 55905), (4730, 44724), (5160, 40997), (5676, 37270), (7095, 29816), (7454, 28380), (9460, 22362), (11181, 18920), (11352, 18635), (14190, 14908)]