1777901220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229703}}^1$

素因数の和:229761

約数の個数: 72

約数和(自身を含む): 5518408896

約数和(自身を除く): 3740507676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 229703, 459406, 689109, 918812, 1148515, 1378218, 2067327, 2297030, 2756436, 3445545, 4134654, 4594060, 6891090, 8269308, 9877229, 10336635, 13782180, 19754458, 20673270, 29631687, 39508916, 41346540, 49386145, 59263374, 88895061, 98772290, 118526748, 148158435, 177790122, 197544580, 296316870, 355580244, 444475305, 592633740, 888950610, 1777901220]

約数ペア:

[(1, 1777901220), (2, 888950610), (3, 592633740), (4, 444475305), (5, 355580244), (6, 296316870), (9, 197544580), (10, 177790122), (12, 148158435), (15, 118526748), (18, 98772290), (20, 88895061), (30, 59263374), (36, 49386145), (43, 41346540), (45, 39508916), (60, 29631687), (86, 20673270), (90, 19754458), (129, 13782180), (172, 10336635), (180, 9877229), (215, 8269308), (258, 6891090), (387, 4594060), (430, 4134654), (516, 3445545), (645, 2756436), (774, 2297030), (860, 2067327), (1290, 1378218), (1548, 1148515), (1935, 918812), (2580, 689109), (3870, 459406), (7740, 229703)]