258329680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15907}}^1$

素因数の和:15956

約数の個数: 80

約数和(自身を含む): 710133120

約数和(自身を除く): 451803440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 15907, 16240, 31814, 63628, 79535, 111349, 127256, 159070, 222698, 254512, 318140, 445396, 461303, 556745, 636280, 890792, 922606, 1113490, 1272560, 1781584, 1845212, 2226980, 2306515, 3229121, 3690424, 4453960, 4613030, 6458242, 7380848, 8907920, 9226060, 12916484, 16145605, 18452120, 25832968, 32291210, 36904240, 51665936, 64582420, 129164840, 258329680]

約数ペア:

[(1, 258329680), (2, 129164840), (4, 64582420), (5, 51665936), (7, 36904240), (8, 32291210), (10, 25832968), (14, 18452120), (16, 16145605), (20, 12916484), (28, 9226060), (29, 8907920), (35, 7380848), (40, 6458242), (56, 4613030), (58, 4453960), (70, 3690424), (80, 3229121), (112, 2306515), (116, 2226980), (140, 1845212), (145, 1781584), (203, 1272560), (232, 1113490), (280, 922606), (290, 890792), (406, 636280), (464, 556745), (560, 461303), (580, 445396), (812, 318140), (1015, 254512), (1160, 222698), (1624, 159070), (2030, 127256), (2320, 111349), (3248, 79535), (4060, 63628), (8120, 31814), (15907, 16240)]