9001020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 29836800

約数和(自身を除く): 20835780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 739, 812, 870, 1015, 1218, 1478, 1740, 2030, 2217, 2436, 2956, 3045, 3695, 4060, 4434, 5173, 6090, 7390, 8868, 10346, 11085, 12180, 14780, 15519, 20692, 21431, 22170, 25865, 31038, 42862, 44340, 51730, 62076, 64293, 77595, 85724, 103460, 107155, 128586, 150017, 155190, 214310, 257172, 300034, 310380, 321465, 428620, 450051, 600068, 642930, 750085, 900102, 1285860, 1500170, 1800204, 2250255, 3000340, 4500510, 9001020]

約数ペア:

[(1, 9001020), (2, 4500510), (3, 3000340), (4, 2250255), (5, 1800204), (6, 1500170), (7, 1285860), (10, 900102), (12, 750085), (14, 642930), (15, 600068), (20, 450051), (21, 428620), (28, 321465), (29, 310380), (30, 300034), (35, 257172), (42, 214310), (58, 155190), (60, 150017), (70, 128586), (84, 107155), (87, 103460), (105, 85724), (116, 77595), (140, 64293), (145, 62076), (174, 51730), (203, 44340), (210, 42862), (290, 31038), (348, 25865), (406, 22170), (420, 21431), (435, 20692), (580, 15519), (609, 14780), (739, 12180), (812, 11085), (870, 10346), (1015, 8868), (1218, 7390), (1478, 6090), (1740, 5173), (2030, 4434), (2217, 4060), (2436, 3695), (2956, 3045)]