128587620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1451}}^1$

素因数の和:1681

約数の個数: 96

約数和(自身を含む): 413715456

約数和(自身を除く): 285127836

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, 211, 420, 422, 633, 844, 1055, 1266, 1451, 1477, 2110, 2532, 2902, 2954, 3165, 4220, 4353, 4431, 5804, 5908, 6330, 7255, 7385, 8706, 8862, 10157, 12660, 14510, 14770, 17412, 17724, 20314, 21765, 22155, 29020, 29540, 30471, 40628, 43530, 44310, 50785, 60942, 87060, 88620, 101570, 121884, 152355, 203140, 304710, 306161, 609420, 612322, 918483, 1224644, 1530805, 1836966, 2143127, 3061610, 3673932, 4286254, 4592415, 6123220, 6429381, 8572508, 9184830, 10715635, 12858762, 18369660, 21431270, 25717524, 32146905, 42862540, 64293810, 128587620]

約数ペア:

[(1, 128587620), (2, 64293810), (3, 42862540), (4, 32146905), (5, 25717524), (6, 21431270), (7, 18369660), (10, 12858762), (12, 10715635), (14, 9184830), (15, 8572508), (20, 6429381), (21, 6123220), (28, 4592415), (30, 4286254), (35, 3673932), (42, 3061610), (60, 2143127), (70, 1836966), (84, 1530805), (105, 1224644), (140, 918483), (210, 612322), (211, 609420), (420, 306161), (422, 304710), (633, 203140), (844, 152355), (1055, 121884), (1266, 101570), (1451, 88620), (1477, 87060), (2110, 60942), (2532, 50785), (2902, 44310), (2954, 43530), (3165, 40628), (4220, 30471), (4353, 29540), (4431, 29020), (5804, 22155), (5908, 21765), (6330, 20314), (7255, 17724), (7385, 17412), (8706, 14770), (8862, 14510), (10157, 12660)]