79801800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{787}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 268219440

約数和(自身を除く): 188417640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 169, 195, 200, 260, 300, 312, 325, 338, 390, 507, 520, 600, 650, 676, 780, 787, 845, 975, 1014, 1300, 1352, 1560, 1574, 1690, 1950, 2028, 2361, 2535, 2600, 3148, 3380, 3900, 3935, 4056, 4225, 4722, 5070, 6296, 6760, 7800, 7870, 8450, 9444, 10140, 10231, 11805, 12675, 15740, 16900, 18888, 19675, 20280, 20462, 23610, 25350, 30693, 31480, 33800, 39350, 40924, 47220, 50700, 51155, 59025, 61386, 78700, 81848, 94440, 101400, 102310, 118050, 122772, 133003, 153465, 157400, 204620, 236100, 245544, 255775, 266006, 306930, 399009, 409240, 472200, 511550, 532012, 613860, 665015, 767325, 798018, 1023100, 1064024, 1227720, 1330030, 1534650, 1596036, 1995045, 2046200, 2660060, 3069300, 3192072, 3325075, 3990090, 5320120, 6138600, 6650150, 7980180, 9975225, 13300300, 15960360, 19950450, 26600600, 39900900, 79801800]

約数ペア:

[(1, 79801800), (2, 39900900), (3, 26600600), (4, 19950450), (5, 15960360), (6, 13300300), (8, 9975225), (10, 7980180), (12, 6650150), (13, 6138600), (15, 5320120), (20, 3990090), (24, 3325075), (25, 3192072), (26, 3069300), (30, 2660060), (39, 2046200), (40, 1995045), (50, 1596036), (52, 1534650), (60, 1330030), (65, 1227720), (75, 1064024), (78, 1023100), (100, 798018), (104, 767325), (120, 665015), (130, 613860), (150, 532012), (156, 511550), (169, 472200), (195, 409240), (200, 399009), (260, 306930), (300, 266006), (312, 255775), (325, 245544), (338, 236100), (390, 204620), (507, 157400), (520, 153465), (600, 133003), (650, 122772), (676, 118050), (780, 102310), (787, 101400), (845, 94440), (975, 81848), (1014, 78700), (1300, 61386), (1352, 59025), (1560, 51155), (1574, 50700), (1690, 47220), (1950, 40924), (2028, 39350), (2361, 33800), (2535, 31480), (2600, 30693), (3148, 25350), (3380, 23610), (3900, 20462), (3935, 20280), (4056, 19675), (4225, 18888), (4722, 16900), (5070, 15740), (6296, 12675), (6760, 11805), (7800, 10231), (7870, 10140), (8450, 9444)]