212205420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{18713}}^1$

素因数の和:18741

約数の個数: 120

約数和(自身を含む): 760836384

約数和(自身を除く): 548630964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 18713, 37426, 56139, 74852, 93565, 112278, 130991, 168417, 187130, 224556, 261982, 280695, 336834, 374260, 392973, 505251, 523964, 561390, 654955, 673668, 785946, 842085, 1010502, 1122780, 1178919, 1309910, 1515753, 1571892, 1684170, 1964865, 2021004, 2357838, 2526255, 2619820, 3031506, 3368340, 3536757, 3929730, 4715676, 5052510, 5894595, 6063012, 7073514, 7578765, 7859460, 10105020, 10610271, 11789190, 14147028, 15157530, 17683785, 21220542, 23578380, 30315060, 35367570, 42441084, 53051355, 70735140, 106102710, 212205420]

約数ペア:

[(1, 212205420), (2, 106102710), (3, 70735140), (4, 53051355), (5, 42441084), (6, 35367570), (7, 30315060), (9, 23578380), (10, 21220542), (12, 17683785), (14, 15157530), (15, 14147028), (18, 11789190), (20, 10610271), (21, 10105020), (27, 7859460), (28, 7578765), (30, 7073514), (35, 6063012), (36, 5894595), (42, 5052510), (45, 4715676), (54, 3929730), (60, 3536757), (63, 3368340), (70, 3031506), (81, 2619820), (84, 2526255), (90, 2357838), (105, 2021004), (108, 1964865), (126, 1684170), (135, 1571892), (140, 1515753), (162, 1309910), (180, 1178919), (189, 1122780), (210, 1010502), (252, 842085), (270, 785946), (315, 673668), (324, 654955), (378, 561390), (405, 523964), (420, 505251), (540, 392973), (567, 374260), (630, 336834), (756, 280695), (810, 261982), (945, 224556), (1134, 187130), (1260, 168417), (1620, 130991), (1890, 112278), (2268, 93565), (2835, 74852), (3780, 56139), (5670, 37426), (11340, 18713)]