255346980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1451}}^1$

素因数の和:1889

約数の個数: 96

約数和(自身を含む): 819624960

約数和(自身を除く): 564277980

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, 419, 420, 838, 1257, 1451, 1676, 2095, 2514, 2902, 2933, 4190, 4353, 5028, 5804, 5866, 6285, 7255, 8380, 8706, 8799, 10157, 11732, 12570, 14510, 14665, 17412, 17598, 20314, 21765, 25140, 29020, 29330, 30471, 35196, 40628, 43530, 43995, 50785, 58660, 60942, 87060, 87990, 101570, 121884, 152355, 175980, 203140, 304710, 607969, 609420, 1215938, 1823907, 2431876, 3039845, 3647814, 4255783, 6079690, 7295628, 8511566, 9119535, 12159380, 12767349, 17023132, 18239070, 21278915, 25534698, 36478140, 42557830, 51069396, 63836745, 85115660, 127673490, 255346980]

約数ペア:

[(1, 255346980), (2, 127673490), (3, 85115660), (4, 63836745), (5, 51069396), (6, 42557830), (7, 36478140), (10, 25534698), (12, 21278915), (14, 18239070), (15, 17023132), (20, 12767349), (21, 12159380), (28, 9119535), (30, 8511566), (35, 7295628), (42, 6079690), (60, 4255783), (70, 3647814), (84, 3039845), (105, 2431876), (140, 1823907), (210, 1215938), (419, 609420), (420, 607969), (838, 304710), (1257, 203140), (1451, 175980), (1676, 152355), (2095, 121884), (2514, 101570), (2902, 87990), (2933, 87060), (4190, 60942), (4353, 58660), (5028, 50785), (5804, 43995), (5866, 43530), (6285, 40628), (7255, 35196), (8380, 30471), (8706, 29330), (8799, 29020), (10157, 25140), (11732, 21765), (12570, 20314), (14510, 17598), (14665, 17412)]