1287131880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6247}}^1$

素因数の和:6379

約数の個数: 128

約数和(自身を含む): 4129678080

約数和(自身を除く): 2842546200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 101, 102, 120, 136, 170, 202, 204, 255, 303, 340, 404, 408, 505, 510, 606, 680, 808, 1010, 1020, 1212, 1515, 1717, 2020, 2040, 2424, 3030, 3434, 4040, 5151, 6060, 6247, 6868, 8585, 10302, 12120, 12494, 13736, 17170, 18741, 20604, 24988, 25755, 31235, 34340, 37482, 41208, 49976, 51510, 62470, 68680, 74964, 93705, 103020, 106199, 124940, 149928, 187410, 206040, 212398, 249880, 318597, 374820, 424796, 530995, 630947, 637194, 749640, 849592, 1061990, 1261894, 1274388, 1592985, 1892841, 2123980, 2523788, 2548776, 3154735, 3185970, 3785682, 4247960, 5047576, 6309470, 6371940, 7571364, 9464205, 10726099, 12618940, 12743880, 15142728, 18928410, 21452198, 25237880, 32178297, 37856820, 42904396, 53630495, 64356594, 75713640, 85808792, 107260990, 128713188, 160891485, 214521980, 257426376, 321782970, 429043960, 643565940, 1287131880]

約数ペア:

[(1, 1287131880), (2, 643565940), (3, 429043960), (4, 321782970), (5, 257426376), (6, 214521980), (8, 160891485), (10, 128713188), (12, 107260990), (15, 85808792), (17, 75713640), (20, 64356594), (24, 53630495), (30, 42904396), (34, 37856820), (40, 32178297), (51, 25237880), (60, 21452198), (68, 18928410), (85, 15142728), (101, 12743880), (102, 12618940), (120, 10726099), (136, 9464205), (170, 7571364), (202, 6371940), (204, 6309470), (255, 5047576), (303, 4247960), (340, 3785682), (404, 3185970), (408, 3154735), (505, 2548776), (510, 2523788), (606, 2123980), (680, 1892841), (808, 1592985), (1010, 1274388), (1020, 1261894), (1212, 1061990), (1515, 849592), (1717, 749640), (2020, 637194), (2040, 630947), (2424, 530995), (3030, 424796), (3434, 374820), (4040, 318597), (5151, 249880), (6060, 212398), (6247, 206040), (6868, 187410), (8585, 149928), (10302, 124940), (12120, 106199), (12494, 103020), (13736, 93705), (17170, 74964), (18741, 68680), (20604, 62470), (24988, 51510), (25755, 49976), (31235, 41208), (34340, 37482)]