51247440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 173950920

約数和(自身を除く): 122703480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 653, 654, 720, 872, 981, 1090, 1306, 1308, 1635, 1744, 1959, 1962, 2180, 2612, 2616, 3265, 3270, 3918, 3924, 4360, 4905, 5224, 5232, 5877, 6530, 6540, 7836, 7848, 8720, 9795, 9810, 10448, 11754, 13060, 13080, 15672, 15696, 19590, 19620, 23508, 26120, 26160, 29385, 31344, 39180, 39240, 47016, 52240, 58770, 71177, 78360, 78480, 94032, 117540, 142354, 156720, 213531, 235080, 284708, 355885, 427062, 470160, 569416, 640593, 711770, 854124, 1067655, 1138832, 1281186, 1423540, 1708248, 2135310, 2562372, 2847080, 3202965, 3416496, 4270620, 5124744, 5694160, 6405930, 8541240, 10249488, 12811860, 17082480, 25623720, 51247440]

約数ペア:

[(1, 51247440), (2, 25623720), (3, 17082480), (4, 12811860), (5, 10249488), (6, 8541240), (8, 6405930), (9, 5694160), (10, 5124744), (12, 4270620), (15, 3416496), (16, 3202965), (18, 2847080), (20, 2562372), (24, 2135310), (30, 1708248), (36, 1423540), (40, 1281186), (45, 1138832), (48, 1067655), (60, 854124), (72, 711770), (80, 640593), (90, 569416), (109, 470160), (120, 427062), (144, 355885), (180, 284708), (218, 235080), (240, 213531), (327, 156720), (360, 142354), (436, 117540), (545, 94032), (653, 78480), (654, 78360), (720, 71177), (872, 58770), (981, 52240), (1090, 47016), (1306, 39240), (1308, 39180), (1635, 31344), (1744, 29385), (1959, 26160), (1962, 26120), (2180, 23508), (2612, 19620), (2616, 19590), (3265, 15696), (3270, 15672), (3918, 13080), (3924, 13060), (4360, 11754), (4905, 10448), (5224, 9810), (5232, 9795), (5877, 8720), (6530, 7848), (6540, 7836)]