247239720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7547}}^1$

素因数の和:7584

約数の個数: 192

約数和(自身を含む): 989089920

約数和(自身を除く): 741850200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 7547, 8190, 10920, 15094, 16380, 22641, 30188, 32760, 37735, 45282, 52829, 60376, 67923, 75470, 90564, 98111, 105658, 113205, 135846, 150940, 158487, 181128, 196222, 211316, 226410, 264145, 271692, 294333, 301880, 316974, 339615, 392444, 422632, 452820, 475461, 490555, 528290, 543384, 588666, 633948, 679230, 686777, 784888, 792435, 882999, 905640, 950922, 981110, 1056580, 1177332, 1267896, 1358460, 1373554, 1471665, 1584870, 1765998, 1901844, 1962220, 2060331, 2113160, 2354664, 2377305, 2716920, 2747108, 2943330, 3169740, 3433885, 3531996, 3803688, 3924440, 4120662, 4414995, 4754610, 5494216, 5886660, 6180993, 6339480, 6867770, 7063992, 8241324, 8829990, 9509220, 10301655, 11773320, 12361986, 13735540, 16482648, 17659980, 19018440, 20603310, 24723972, 27471080, 30904965, 35319960, 41206620, 49447944, 61809930, 82413240, 123619860, 247239720]

約数ペア:

[(1, 247239720), (2, 123619860), (3, 82413240), (4, 61809930), (5, 49447944), (6, 41206620), (7, 35319960), (8, 30904965), (9, 27471080), (10, 24723972), (12, 20603310), (13, 19018440), (14, 17659980), (15, 16482648), (18, 13735540), (20, 12361986), (21, 11773320), (24, 10301655), (26, 9509220), (28, 8829990), (30, 8241324), (35, 7063992), (36, 6867770), (39, 6339480), (40, 6180993), (42, 5886660), (45, 5494216), (52, 4754610), (56, 4414995), (60, 4120662), (63, 3924440), (65, 3803688), (70, 3531996), (72, 3433885), (78, 3169740), (84, 2943330), (90, 2747108), (91, 2716920), (104, 2377305), (105, 2354664), (117, 2113160), (120, 2060331), (126, 1962220), (130, 1901844), (140, 1765998), (156, 1584870), (168, 1471665), (180, 1373554), (182, 1358460), (195, 1267896), (210, 1177332), (234, 1056580), (252, 981110), (260, 950922), (273, 905640), (280, 882999), (312, 792435), (315, 784888), (360, 686777), (364, 679230), (390, 633948), (420, 588666), (455, 543384), (468, 528290), (504, 490555), (520, 475461), (546, 452820), (585, 422632), (630, 392444), (728, 339615), (780, 316974), (819, 301880), (840, 294333), (910, 271692), (936, 264145), (1092, 226410), (1170, 211316), (1260, 196222), (1365, 181128), (1560, 158487), (1638, 150940), (1820, 135846), (2184, 113205), (2340, 105658), (2520, 98111), (2730, 90564), (3276, 75470), (3640, 67923), (4095, 60376), (4680, 52829), (5460, 45282), (6552, 37735), (7547, 32760), (8190, 30188), (10920, 22641), (15094, 16380)]