85757100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 144

約数和(自身を含む): 291648000

約数和(自身を除く): 205890900

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 75, 78, 100, 110, 130, 132, 143, 150, 156, 165, 195, 220, 260, 275, 286, 300, 325, 330, 390, 429, 550, 572, 650, 660, 715, 780, 825, 858, 975, 1100, 1300, 1430, 1650, 1716, 1950, 1999, 2145, 2860, 3300, 3575, 3900, 3998, 4290, 5997, 7150, 7996, 8580, 9995, 10725, 11994, 14300, 19990, 21450, 21989, 23988, 25987, 29985, 39980, 42900, 43978, 49975, 51974, 59970, 65967, 77961, 87956, 99950, 103948, 109945, 119940, 129935, 131934, 149925, 155922, 199900, 219890, 259870, 263868, 285857, 299850, 311844, 329835, 389805, 439780, 519740, 549725, 571714, 599700, 649675, 659670, 779610, 857571, 1099450, 1143428, 1299350, 1319340, 1429285, 1559220, 1649175, 1715142, 1949025, 2198900, 2598700, 2858570, 3298350, 3430284, 3898050, 4287855, 5717140, 6596700, 7146425, 7796100, 8575710, 14292850, 17151420, 21439275, 28585700, 42878550, 85757100]

約数ペア:

[(1, 85757100), (2, 42878550), (3, 28585700), (4, 21439275), (5, 17151420), (6, 14292850), (10, 8575710), (11, 7796100), (12, 7146425), (13, 6596700), (15, 5717140), (20, 4287855), (22, 3898050), (25, 3430284), (26, 3298350), (30, 2858570), (33, 2598700), (39, 2198900), (44, 1949025), (50, 1715142), (52, 1649175), (55, 1559220), (60, 1429285), (65, 1319340), (66, 1299350), (75, 1143428), (78, 1099450), (100, 857571), (110, 779610), (130, 659670), (132, 649675), (143, 599700), (150, 571714), (156, 549725), (165, 519740), (195, 439780), (220, 389805), (260, 329835), (275, 311844), (286, 299850), (300, 285857), (325, 263868), (330, 259870), (390, 219890), (429, 199900), (550, 155922), (572, 149925), (650, 131934), (660, 129935), (715, 119940), (780, 109945), (825, 103948), (858, 99950), (975, 87956), (1100, 77961), (1300, 65967), (1430, 59970), (1650, 51974), (1716, 49975), (1950, 43978), (1999, 42900), (2145, 39980), (2860, 29985), (3300, 25987), (3575, 23988), (3900, 21989), (3998, 21450), (4290, 19990), (5997, 14300), (7150, 11994), (7996, 10725), (8580, 9995)]