1648851880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{1637}}^1$

素因数の和:1823

約数の個数: 96

約数和(自身を含む): 4046679000

約数和(自身を除く): 2397827120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 169, 260, 298, 338, 520, 596, 676, 745, 845, 1192, 1352, 1490, 1637, 1690, 1937, 2980, 3274, 3380, 3874, 5960, 6548, 6760, 7748, 8185, 9685, 13096, 15496, 16370, 19370, 21281, 25181, 32740, 38740, 42562, 50362, 65480, 77480, 85124, 100724, 106405, 125905, 170248, 201448, 212810, 243913, 251810, 276653, 425620, 487826, 503620, 553306, 851240, 975652, 1007240, 1106612, 1219565, 1383265, 1951304, 2213224, 2439130, 2766530, 3170869, 4878260, 5533060, 6341738, 9756520, 11066120, 12683476, 15854345, 25366952, 31708690, 41221297, 63417380, 82442594, 126834760, 164885188, 206106485, 329770376, 412212970, 824425940, 1648851880]

約数ペア:

[(1, 1648851880), (2, 824425940), (4, 412212970), (5, 329770376), (8, 206106485), (10, 164885188), (13, 126834760), (20, 82442594), (26, 63417380), (40, 41221297), (52, 31708690), (65, 25366952), (104, 15854345), (130, 12683476), (149, 11066120), (169, 9756520), (260, 6341738), (298, 5533060), (338, 4878260), (520, 3170869), (596, 2766530), (676, 2439130), (745, 2213224), (845, 1951304), (1192, 1383265), (1352, 1219565), (1490, 1106612), (1637, 1007240), (1690, 975652), (1937, 851240), (2980, 553306), (3274, 503620), (3380, 487826), (3874, 425620), (5960, 276653), (6548, 251810), (6760, 243913), (7748, 212810), (8185, 201448), (9685, 170248), (13096, 125905), (15496, 106405), (16370, 100724), (19370, 85124), (21281, 77480), (25181, 65480), (32740, 50362), (38740, 42562)]