28758960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:755

約数の個数: 120

約数和(自身を含む): 98364240

約数和(自身を除く): 69605280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 677, 708, 720, 885, 944, 1062, 1180, 1354, 1416, 1770, 2031, 2124, 2360, 2655, 2708, 2832, 3385, 3540, 4062, 4248, 4720, 5310, 5416, 6093, 6770, 7080, 8124, 8496, 10155, 10620, 10832, 12186, 13540, 14160, 16248, 20310, 21240, 24372, 27080, 30465, 32496, 39943, 40620, 42480, 48744, 54160, 60930, 79886, 81240, 97488, 119829, 121860, 159772, 162480, 199715, 239658, 243720, 319544, 359487, 399430, 479316, 487440, 599145, 639088, 718974, 798860, 958632, 1198290, 1437948, 1597720, 1797435, 1917264, 2396580, 2875896, 3195440, 3594870, 4793160, 5751792, 7189740, 9586320, 14379480, 28758960]

約数ペア:

[(1, 28758960), (2, 14379480), (3, 9586320), (4, 7189740), (5, 5751792), (6, 4793160), (8, 3594870), (9, 3195440), (10, 2875896), (12, 2396580), (15, 1917264), (16, 1797435), (18, 1597720), (20, 1437948), (24, 1198290), (30, 958632), (36, 798860), (40, 718974), (45, 639088), (48, 599145), (59, 487440), (60, 479316), (72, 399430), (80, 359487), (90, 319544), (118, 243720), (120, 239658), (144, 199715), (177, 162480), (180, 159772), (236, 121860), (240, 119829), (295, 97488), (354, 81240), (360, 79886), (472, 60930), (531, 54160), (590, 48744), (677, 42480), (708, 40620), (720, 39943), (885, 32496), (944, 30465), (1062, 27080), (1180, 24372), (1354, 21240), (1416, 20310), (1770, 16248), (2031, 14160), (2124, 13540), (2360, 12186), (2655, 10832), (2708, 10620), (2832, 10155), (3385, 8496), (3540, 8124), (4062, 7080), (4248, 6770), (4720, 6093), (5310, 5416)]