71972460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^2$

素因数の和:500

約数の個数: 108

約数和(自身を含む): 250552848

約数和(自身を除く): 178580388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 252, 315, 420, 478, 630, 717, 956, 1195, 1260, 1434, 1673, 2151, 2390, 2868, 3346, 3585, 4302, 4780, 5019, 6692, 7170, 8365, 8604, 10038, 10755, 14340, 15057, 16730, 20076, 21510, 25095, 30114, 33460, 43020, 50190, 57121, 60228, 75285, 100380, 114242, 150570, 171363, 228484, 285605, 301140, 342726, 399847, 514089, 571210, 685452, 799694, 856815, 1028178, 1142420, 1199541, 1599388, 1713630, 1999235, 2056356, 2399082, 2570445, 3427260, 3598623, 3998470, 4798164, 5140890, 5997705, 7197246, 7996940, 10281780, 11995410, 14394492, 17993115, 23990820, 35986230, 71972460]

約数ペア:

[(1, 71972460), (2, 35986230), (3, 23990820), (4, 17993115), (5, 14394492), (6, 11995410), (7, 10281780), (9, 7996940), (10, 7197246), (12, 5997705), (14, 5140890), (15, 4798164), (18, 3998470), (20, 3598623), (21, 3427260), (28, 2570445), (30, 2399082), (35, 2056356), (36, 1999235), (42, 1713630), (45, 1599388), (60, 1199541), (63, 1142420), (70, 1028178), (84, 856815), (90, 799694), (105, 685452), (126, 571210), (140, 514089), (180, 399847), (210, 342726), (239, 301140), (252, 285605), (315, 228484), (420, 171363), (478, 150570), (630, 114242), (717, 100380), (956, 75285), (1195, 60228), (1260, 57121), (1434, 50190), (1673, 43020), (2151, 33460), (2390, 30114), (2868, 25095), (3346, 21510), (3585, 20076), (4302, 16730), (4780, 15057), (5019, 14340), (6692, 10755), (7170, 10038), (8365, 8604)]