78855480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19913}}^1$

素因数の和:19941

約数の個数: 96

約数和(自身を含む): 279592560

約数和(自身を除く): 200737080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 19913, 39826, 59739, 79652, 99565, 119478, 159304, 179217, 199130, 219043, 238956, 298695, 358434, 398260, 438086, 477912, 597390, 657129, 716868, 796520, 876172, 896085, 1095215, 1194780, 1314258, 1433736, 1752344, 1792170, 1971387, 2190430, 2389560, 2628516, 3285645, 3584340, 3942774, 4380860, 5257032, 6571290, 7168680, 7885548, 8761720, 9856935, 13142580, 15771096, 19713870, 26285160, 39427740, 78855480]

約数ペア:

[(1, 78855480), (2, 39427740), (3, 26285160), (4, 19713870), (5, 15771096), (6, 13142580), (8, 9856935), (9, 8761720), (10, 7885548), (11, 7168680), (12, 6571290), (15, 5257032), (18, 4380860), (20, 3942774), (22, 3584340), (24, 3285645), (30, 2628516), (33, 2389560), (36, 2190430), (40, 1971387), (44, 1792170), (45, 1752344), (55, 1433736), (60, 1314258), (66, 1194780), (72, 1095215), (88, 896085), (90, 876172), (99, 796520), (110, 716868), (120, 657129), (132, 597390), (165, 477912), (180, 438086), (198, 398260), (220, 358434), (264, 298695), (330, 238956), (360, 219043), (396, 199130), (440, 179217), (495, 159304), (660, 119478), (792, 99565), (990, 79652), (1320, 59739), (1980, 39826), (3960, 19913)]