280046880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:903

約数の個数: 144

約数和(自身を含む): 959999040

約数和(自身を除く): 679952160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 439, 443, 480, 720, 878, 886, 1317, 1329, 1440, 1756, 1772, 2195, 2215, 2634, 2658, 3512, 3544, 3951, 3987, 4390, 4430, 5268, 5316, 6585, 6645, 7024, 7088, 7902, 7974, 8780, 8860, 10536, 10632, 13170, 13290, 14048, 14176, 15804, 15948, 17560, 17720, 19755, 19935, 21072, 21264, 26340, 26580, 31608, 31896, 35120, 35440, 39510, 39870, 42144, 42528, 52680, 53160, 63216, 63792, 70240, 70880, 79020, 79740, 105360, 106320, 126432, 127584, 158040, 159480, 194477, 210720, 212640, 316080, 318960, 388954, 583431, 632160, 637920, 777908, 972385, 1166862, 1555816, 1750293, 1944770, 2333724, 2917155, 3111632, 3500586, 3889540, 4667448, 5834310, 6223264, 7001172, 7779080, 8751465, 9334896, 11668620, 14002344, 15558160, 17502930, 18669792, 23337240, 28004688, 31116320, 35005860, 46674480, 56009376, 70011720, 93348960, 140023440, 280046880]

約数ペア:

[(1, 280046880), (2, 140023440), (3, 93348960), (4, 70011720), (5, 56009376), (6, 46674480), (8, 35005860), (9, 31116320), (10, 28004688), (12, 23337240), (15, 18669792), (16, 17502930), (18, 15558160), (20, 14002344), (24, 11668620), (30, 9334896), (32, 8751465), (36, 7779080), (40, 7001172), (45, 6223264), (48, 5834310), (60, 4667448), (72, 3889540), (80, 3500586), (90, 3111632), (96, 2917155), (120, 2333724), (144, 1944770), (160, 1750293), (180, 1555816), (240, 1166862), (288, 972385), (360, 777908), (439, 637920), (443, 632160), (480, 583431), (720, 388954), (878, 318960), (886, 316080), (1317, 212640), (1329, 210720), (1440, 194477), (1756, 159480), (1772, 158040), (2195, 127584), (2215, 126432), (2634, 106320), (2658, 105360), (3512, 79740), (3544, 79020), (3951, 70880), (3987, 70240), (4390, 63792), (4430, 63216), (5268, 53160), (5316, 52680), (6585, 42528), (6645, 42144), (7024, 39870), (7088, 39510), (7902, 35440), (7974, 35120), (8780, 31896), (8860, 31608), (10536, 26580), (10632, 26340), (13170, 21264), (13290, 21072), (14048, 19935), (14176, 19755), (15804, 17720), (15948, 17560)]