2688720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 8838720

約数和(自身を除く): 6150000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 659, 680, 816, 1020, 1318, 1360, 1977, 2040, 2636, 3295, 3954, 4080, 5272, 6590, 7908, 9885, 10544, 11203, 13180, 15816, 19770, 22406, 26360, 31632, 33609, 39540, 44812, 52720, 56015, 67218, 79080, 89624, 112030, 134436, 158160, 168045, 179248, 224060, 268872, 336090, 448120, 537744, 672180, 896240, 1344360, 2688720]

約数ペア:

[(1, 2688720), (2, 1344360), (3, 896240), (4, 672180), (5, 537744), (6, 448120), (8, 336090), (10, 268872), (12, 224060), (15, 179248), (16, 168045), (17, 158160), (20, 134436), (24, 112030), (30, 89624), (34, 79080), (40, 67218), (48, 56015), (51, 52720), (60, 44812), (68, 39540), (80, 33609), (85, 31632), (102, 26360), (120, 22406), (136, 19770), (170, 15816), (204, 13180), (240, 11203), (255, 10544), (272, 9885), (340, 7908), (408, 6590), (510, 5272), (659, 4080), (680, 3954), (816, 3295), (1020, 2636), (1318, 2040), (1360, 1977)]