263000280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:186

約数の個数: 192

約数和(自身を含む): 871603200

約数和(自身を除く): 608602920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 61, 62, 76, 93, 95, 114, 120, 122, 124, 152, 155, 183, 186, 190, 228, 244, 248, 285, 305, 310, 366, 372, 380, 456, 465, 488, 570, 589, 610, 620, 732, 744, 760, 915, 930, 1140, 1159, 1178, 1220, 1240, 1464, 1767, 1830, 1860, 1891, 2280, 2318, 2356, 2440, 2945, 3477, 3534, 3660, 3720, 3721, 3782, 4636, 4712, 5673, 5795, 5890, 6954, 7068, 7320, 7442, 7564, 8835, 9272, 9455, 11163, 11346, 11590, 11780, 13908, 14136, 14884, 15128, 17385, 17670, 18605, 18910, 22326, 22692, 23180, 23560, 27816, 28365, 29768, 34770, 35340, 35929, 37210, 37820, 44652, 45384, 46360, 55815, 56730, 69540, 70680, 70699, 71858, 74420, 75640, 89304, 107787, 111630, 113460, 115351, 139080, 141398, 143716, 148840, 179645, 212097, 215574, 223260, 226920, 230702, 282796, 287432, 346053, 353495, 359290, 424194, 431148, 446520, 461404, 538935, 565592, 576755, 692106, 706990, 718580, 848388, 862296, 922808, 1060485, 1077870, 1153510, 1384212, 1413980, 1437160, 1696776, 1730265, 2120970, 2155740, 2191669, 2307020, 2768424, 2827960, 3460530, 4241940, 4311480, 4383338, 4614040, 6575007, 6921060, 8483880, 8766676, 10958345, 13150014, 13842120, 17533352, 21916690, 26300028, 32875035, 43833380, 52600056, 65750070, 87666760, 131500140, 263000280]

約数ペア:

[(1, 263000280), (2, 131500140), (3, 87666760), (4, 65750070), (5, 52600056), (6, 43833380), (8, 32875035), (10, 26300028), (12, 21916690), (15, 17533352), (19, 13842120), (20, 13150014), (24, 10958345), (30, 8766676), (31, 8483880), (38, 6921060), (40, 6575007), (57, 4614040), (60, 4383338), (61, 4311480), (62, 4241940), (76, 3460530), (93, 2827960), (95, 2768424), (114, 2307020), (120, 2191669), (122, 2155740), (124, 2120970), (152, 1730265), (155, 1696776), (183, 1437160), (186, 1413980), (190, 1384212), (228, 1153510), (244, 1077870), (248, 1060485), (285, 922808), (305, 862296), (310, 848388), (366, 718580), (372, 706990), (380, 692106), (456, 576755), (465, 565592), (488, 538935), (570, 461404), (589, 446520), (610, 431148), (620, 424194), (732, 359290), (744, 353495), (760, 346053), (915, 287432), (930, 282796), (1140, 230702), (1159, 226920), (1178, 223260), (1220, 215574), (1240, 212097), (1464, 179645), (1767, 148840), (1830, 143716), (1860, 141398), (1891, 139080), (2280, 115351), (2318, 113460), (2356, 111630), (2440, 107787), (2945, 89304), (3477, 75640), (3534, 74420), (3660, 71858), (3720, 70699), (3721, 70680), (3782, 69540), (4636, 56730), (4712, 55815), (5673, 46360), (5795, 45384), (5890, 44652), (6954, 37820), (7068, 37210), (7320, 35929), (7442, 35340), (7564, 34770), (8835, 29768), (9272, 28365), (9455, 27816), (11163, 23560), (11346, 23180), (11590, 22692), (11780, 22326), (13908, 18910), (14136, 18605), (14884, 17670), (15128, 17385)]