40777680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1297}}^1$

素因数の和:1444

約数の個数: 80

約数和(自身を含む): 127473984

約数和(自身を除く): 86696304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1297, 1310, 1572, 1965, 2096, 2594, 2620, 3144, 3891, 3930, 5188, 5240, 6288, 6485, 7782, 7860, 10376, 10480, 12970, 15564, 15720, 19455, 20752, 25940, 31128, 31440, 38910, 51880, 62256, 77820, 103760, 155640, 169907, 311280, 339814, 509721, 679628, 849535, 1019442, 1359256, 1699070, 2038884, 2548605, 2718512, 3398140, 4077768, 5097210, 6796280, 8155536, 10194420, 13592560, 20388840, 40777680]

約数ペア:

[(1, 40777680), (2, 20388840), (3, 13592560), (4, 10194420), (5, 8155536), (6, 6796280), (8, 5097210), (10, 4077768), (12, 3398140), (15, 2718512), (16, 2548605), (20, 2038884), (24, 1699070), (30, 1359256), (40, 1019442), (48, 849535), (60, 679628), (80, 509721), (120, 339814), (131, 311280), (240, 169907), (262, 155640), (393, 103760), (524, 77820), (655, 62256), (786, 51880), (1048, 38910), (1297, 31440), (1310, 31128), (1572, 25940), (1965, 20752), (2096, 19455), (2594, 15720), (2620, 15564), (3144, 12970), (3891, 10480), (3930, 10376), (5188, 7860), (5240, 7782), (6288, 6485)]