291211620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23909}}^1$

素因数の和:23957

約数の個数: 96

約数和(自身を含む): 964051200

約数和(自身を除く): 672839580

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, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 12180, 23909, 47818, 71727, 95636, 119545, 143454, 167363, 239090, 286908, 334726, 358635, 478180, 502089, 669452, 693361, 717270, 836815, 1004178, 1386722, 1434540, 1673630, 2008356, 2080083, 2510445, 2773444, 3347260, 3466805, 4160166, 4853527, 5020890, 6933610, 8320332, 9707054, 10041780, 10400415, 13867220, 14560581, 19414108, 20800830, 24267635, 29121162, 41601660, 48535270, 58242324, 72802905, 97070540, 145605810, 291211620]

約数ペア:

[(1, 291211620), (2, 145605810), (3, 97070540), (4, 72802905), (5, 58242324), (6, 48535270), (7, 41601660), (10, 29121162), (12, 24267635), (14, 20800830), (15, 19414108), (20, 14560581), (21, 13867220), (28, 10400415), (29, 10041780), (30, 9707054), (35, 8320332), (42, 6933610), (58, 5020890), (60, 4853527), (70, 4160166), (84, 3466805), (87, 3347260), (105, 2773444), (116, 2510445), (140, 2080083), (145, 2008356), (174, 1673630), (203, 1434540), (210, 1386722), (290, 1004178), (348, 836815), (406, 717270), (420, 693361), (435, 669452), (580, 502089), (609, 478180), (812, 358635), (870, 334726), (1015, 286908), (1218, 239090), (1740, 167363), (2030, 143454), (2436, 119545), (3045, 95636), (4060, 71727), (6090, 47818), (12180, 23909)]