1979853660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647011}}^1$

素因数の和:647043

約数の個数: 72

約数和(自身を含む): 6358833936

約数和(自身を除く): 4378980276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 647011, 1294022, 1941033, 2588044, 3235055, 3882066, 5823099, 6470110, 7764132, 9705165, 10999187, 11646198, 12940220, 19410330, 21998374, 23292396, 29115495, 32997561, 38820660, 43996748, 54995935, 58230990, 65995122, 98992683, 109991870, 116461980, 131990244, 164987805, 197985366, 219983740, 329975610, 395970732, 494963415, 659951220, 989926830, 1979853660]

約数ペア:

[(1, 1979853660), (2, 989926830), (3, 659951220), (4, 494963415), (5, 395970732), (6, 329975610), (9, 219983740), (10, 197985366), (12, 164987805), (15, 131990244), (17, 116461980), (18, 109991870), (20, 98992683), (30, 65995122), (34, 58230990), (36, 54995935), (45, 43996748), (51, 38820660), (60, 32997561), (68, 29115495), (85, 23292396), (90, 21998374), (102, 19410330), (153, 12940220), (170, 11646198), (180, 10999187), (204, 9705165), (255, 7764132), (306, 6470110), (340, 5823099), (510, 3882066), (612, 3235055), (765, 2588044), (1020, 1941033), (1530, 1294022), (3060, 647011)]