1905888720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{89227}}^1$

素因数の和:89332

約数の個数: 80

約数和(自身を含む): 5974706880

約数和(自身を除く): 4068818160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3560, 4272, 5340, 7120, 10680, 21360, 89227, 178454, 267681, 356908, 446135, 535362, 713816, 892270, 1070724, 1338405, 1427632, 1784540, 2141448, 2676810, 3569080, 4282896, 5353620, 7138160, 7941203, 10707240, 15882406, 21414480, 23823609, 31764812, 39706015, 47647218, 63529624, 79412030, 95294436, 119118045, 127059248, 158824060, 190588872, 238236090, 317648120, 381177744, 476472180, 635296240, 952944360, 1905888720]

約数ペア:

[(1, 1905888720), (2, 952944360), (3, 635296240), (4, 476472180), (5, 381177744), (6, 317648120), (8, 238236090), (10, 190588872), (12, 158824060), (15, 127059248), (16, 119118045), (20, 95294436), (24, 79412030), (30, 63529624), (40, 47647218), (48, 39706015), (60, 31764812), (80, 23823609), (89, 21414480), (120, 15882406), (178, 10707240), (240, 7941203), (267, 7138160), (356, 5353620), (445, 4282896), (534, 3569080), (712, 2676810), (890, 2141448), (1068, 1784540), (1335, 1427632), (1424, 1338405), (1780, 1070724), (2136, 892270), (2670, 713816), (3560, 535362), (4272, 446135), (5340, 356908), (7120, 267681), (10680, 178454), (21360, 89227)]