65661720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 214272000

約数和(自身を除く): 148610280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 929, 930, 1140, 1178, 1240, 1767, 1858, 1860, 2280, 2356, 2787, 2945, 3534, 3716, 3720, 4645, 4712, 5574, 5890, 7068, 7432, 8835, 9290, 11148, 11780, 13935, 14136, 17651, 17670, 18580, 22296, 23560, 27870, 28799, 35302, 35340, 37160, 52953, 55740, 57598, 70604, 70680, 86397, 88255, 105906, 111480, 115196, 141208, 143995, 172794, 176510, 211812, 230392, 264765, 287990, 345588, 353020, 423624, 431985, 529530, 547181, 575980, 691176, 706040, 863970, 1059060, 1094362, 1151960, 1641543, 1727940, 2118120, 2188724, 2735905, 3283086, 3455880, 4377448, 5471810, 6566172, 8207715, 10943620, 13132344, 16415430, 21887240, 32830860, 65661720]

約数ペア:

[(1, 65661720), (2, 32830860), (3, 21887240), (4, 16415430), (5, 13132344), (6, 10943620), (8, 8207715), (10, 6566172), (12, 5471810), (15, 4377448), (19, 3455880), (20, 3283086), (24, 2735905), (30, 2188724), (31, 2118120), (38, 1727940), (40, 1641543), (57, 1151960), (60, 1094362), (62, 1059060), (76, 863970), (93, 706040), (95, 691176), (114, 575980), (120, 547181), (124, 529530), (152, 431985), (155, 423624), (186, 353020), (190, 345588), (228, 287990), (248, 264765), (285, 230392), (310, 211812), (372, 176510), (380, 172794), (456, 143995), (465, 141208), (570, 115196), (589, 111480), (620, 105906), (744, 88255), (760, 86397), (929, 70680), (930, 70604), (1140, 57598), (1178, 55740), (1240, 52953), (1767, 37160), (1858, 35340), (1860, 35302), (2280, 28799), (2356, 27870), (2787, 23560), (2945, 22296), (3534, 18580), (3716, 17670), (3720, 17651), (4645, 14136), (4712, 13935), (5574, 11780), (5890, 11148), (7068, 9290), (7432, 8835)]