218870820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173707}}^1$

素因数の和:173729

約数の個数: 72

約数和(自身を含む): 758756544

約数和(自身を除く): 539885724

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, 252, 315, 420, 630, 1260, 173707, 347414, 521121, 694828, 868535, 1042242, 1215949, 1563363, 1737070, 2084484, 2431898, 2605605, 3126726, 3474140, 3647847, 4863796, 5211210, 6079745, 6253452, 7295694, 7816815, 10422420, 10943541, 12159490, 14591388, 15633630, 18239235, 21887082, 24318980, 31267260, 36478470, 43774164, 54717705, 72956940, 109435410, 218870820]

約数ペア:

[(1, 218870820), (2, 109435410), (3, 72956940), (4, 54717705), (5, 43774164), (6, 36478470), (7, 31267260), (9, 24318980), (10, 21887082), (12, 18239235), (14, 15633630), (15, 14591388), (18, 12159490), (20, 10943541), (21, 10422420), (28, 7816815), (30, 7295694), (35, 6253452), (36, 6079745), (42, 5211210), (45, 4863796), (60, 3647847), (63, 3474140), (70, 3126726), (84, 2605605), (90, 2431898), (105, 2084484), (126, 1737070), (140, 1563363), (180, 1215949), (210, 1042242), (252, 868535), (315, 694828), (420, 521121), (630, 347414), (1260, 173707)]