81236250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 236174400

約数和(自身を除く): 154938150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 45, 50, 54, 58, 75, 83, 87, 90, 125, 135, 145, 150, 166, 174, 225, 249, 250, 261, 270, 290, 375, 415, 435, 450, 498, 522, 625, 675, 725, 747, 750, 783, 830, 870, 1125, 1245, 1250, 1305, 1350, 1450, 1494, 1566, 1875, 2075, 2175, 2241, 2250, 2407, 2490, 2610, 3375, 3625, 3735, 3750, 3915, 4150, 4350, 4482, 4814, 5625, 6225, 6525, 6750, 7221, 7250, 7470, 7830, 10375, 10875, 11205, 11250, 12035, 12450, 13050, 14442, 16875, 18125, 18675, 19575, 20750, 21663, 21750, 22410, 24070, 31125, 32625, 33750, 36105, 36250, 37350, 39150, 43326, 51875, 54375, 56025, 60175, 62250, 64989, 65250, 72210, 93375, 97875, 103750, 108315, 108750, 112050, 120350, 129978, 155625, 163125, 180525, 186750, 195750, 216630, 280125, 300875, 311250, 324945, 326250, 361050, 466875, 489375, 541575, 560250, 601750, 649890, 902625, 933750, 978750, 1083150, 1400625, 1504375, 1624725, 1805250, 2707875, 2801250, 3008750, 3249450, 4513125, 5415750, 8123625, 9026250, 13539375, 16247250, 27078750, 40618125, 81236250]

約数ペア:

[(1, 81236250), (2, 40618125), (3, 27078750), (5, 16247250), (6, 13539375), (9, 9026250), (10, 8123625), (15, 5415750), (18, 4513125), (25, 3249450), (27, 3008750), (29, 2801250), (30, 2707875), (45, 1805250), (50, 1624725), (54, 1504375), (58, 1400625), (75, 1083150), (83, 978750), (87, 933750), (90, 902625), (125, 649890), (135, 601750), (145, 560250), (150, 541575), (166, 489375), (174, 466875), (225, 361050), (249, 326250), (250, 324945), (261, 311250), (270, 300875), (290, 280125), (375, 216630), (415, 195750), (435, 186750), (450, 180525), (498, 163125), (522, 155625), (625, 129978), (675, 120350), (725, 112050), (747, 108750), (750, 108315), (783, 103750), (830, 97875), (870, 93375), (1125, 72210), (1245, 65250), (1250, 64989), (1305, 62250), (1350, 60175), (1450, 56025), (1494, 54375), (1566, 51875), (1875, 43326), (2075, 39150), (2175, 37350), (2241, 36250), (2250, 36105), (2407, 33750), (2490, 32625), (2610, 31125), (3375, 24070), (3625, 22410), (3735, 21750), (3750, 21663), (3915, 20750), (4150, 19575), (4350, 18675), (4482, 18125), (4814, 16875), (5625, 14442), (6225, 13050), (6525, 12450), (6750, 12035), (7221, 11250), (7250, 11205), (7470, 10875), (7830, 10375)]