257279100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1680

約数の個数: 144

約数和(自身を含む): 821718240

約数和(自身を除く): 564439140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 41, 50, 52, 60, 65, 75, 78, 82, 100, 123, 130, 150, 156, 164, 195, 205, 246, 260, 300, 325, 390, 410, 492, 533, 615, 650, 780, 820, 975, 1025, 1066, 1230, 1300, 1599, 1609, 1950, 2050, 2132, 2460, 2665, 3075, 3198, 3218, 3900, 4100, 4827, 5330, 6150, 6396, 6436, 7995, 8045, 9654, 10660, 12300, 13325, 15990, 16090, 19308, 20917, 24135, 26650, 31980, 32180, 39975, 40225, 41834, 48270, 53300, 62751, 65969, 79950, 80450, 83668, 96540, 104585, 120675, 125502, 131938, 159900, 160900, 197907, 209170, 241350, 251004, 263876, 313755, 329845, 395814, 418340, 482700, 522925, 627510, 659690, 791628, 857597, 989535, 1045850, 1255020, 1319380, 1568775, 1649225, 1715194, 1979070, 2091700, 2572791, 3137550, 3298450, 3430388, 3958140, 4287985, 4947675, 5145582, 6275100, 6596900, 8575970, 9895350, 10291164, 12863955, 17151940, 19790700, 21439925, 25727910, 42879850, 51455820, 64319775, 85759700, 128639550, 257279100]

約数ペア:

[(1, 257279100), (2, 128639550), (3, 85759700), (4, 64319775), (5, 51455820), (6, 42879850), (10, 25727910), (12, 21439925), (13, 19790700), (15, 17151940), (20, 12863955), (25, 10291164), (26, 9895350), (30, 8575970), (39, 6596900), (41, 6275100), (50, 5145582), (52, 4947675), (60, 4287985), (65, 3958140), (75, 3430388), (78, 3298450), (82, 3137550), (100, 2572791), (123, 2091700), (130, 1979070), (150, 1715194), (156, 1649225), (164, 1568775), (195, 1319380), (205, 1255020), (246, 1045850), (260, 989535), (300, 857597), (325, 791628), (390, 659690), (410, 627510), (492, 522925), (533, 482700), (615, 418340), (650, 395814), (780, 329845), (820, 313755), (975, 263876), (1025, 251004), (1066, 241350), (1230, 209170), (1300, 197907), (1599, 160900), (1609, 159900), (1950, 131938), (2050, 125502), (2132, 120675), (2460, 104585), (2665, 96540), (3075, 83668), (3198, 80450), (3218, 79950), (3900, 65969), (4100, 62751), (4827, 53300), (5330, 48270), (6150, 41834), (6396, 40225), (6436, 39975), (7995, 32180), (8045, 31980), (9654, 26650), (10660, 24135), (12300, 20917), (13325, 19308), (15990, 16090)]