23990820

素因数分解:

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

素因数の和:497

約数の個数: 72

約数和(自身を含む): 77093184

約数和(自身を除く): 53102364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1434, 1673, 2390, 2868, 3346, 3585, 4780, 5019, 6692, 7170, 8365, 10038, 14340, 16730, 20076, 25095, 33460, 50190, 57121, 100380, 114242, 171363, 228484, 285605, 342726, 399847, 571210, 685452, 799694, 856815, 1142420, 1199541, 1599388, 1713630, 1999235, 2399082, 3427260, 3998470, 4798164, 5997705, 7996940, 11995410, 23990820]

約数ペア:

[(1, 23990820), (2, 11995410), (3, 7996940), (4, 5997705), (5, 4798164), (6, 3998470), (7, 3427260), (10, 2399082), (12, 1999235), (14, 1713630), (15, 1599388), (20, 1199541), (21, 1142420), (28, 856815), (30, 799694), (35, 685452), (42, 571210), (60, 399847), (70, 342726), (84, 285605), (105, 228484), (140, 171363), (210, 114242), (239, 100380), (420, 57121), (478, 50190), (717, 33460), (956, 25095), (1195, 20076), (1434, 16730), (1673, 14340), (2390, 10038), (2868, 8365), (3346, 7170), (3585, 6692), (4780, 5019)]