239499180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 240

約数和(自身を含む): 819624960

約数和(自身を除く): 580125780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 76, 81, 90, 93, 95, 108, 114, 124, 135, 155, 162, 171, 180, 186, 190, 228, 251, 270, 279, 285, 310, 324, 342, 372, 380, 405, 465, 502, 513, 540, 558, 570, 589, 620, 684, 753, 810, 837, 855, 930, 1004, 1026, 1116, 1140, 1178, 1255, 1395, 1506, 1539, 1620, 1674, 1710, 1767, 1860, 2052, 2259, 2356, 2510, 2511, 2565, 2790, 2945, 3012, 3078, 3348, 3420, 3534, 3765, 4185, 4518, 4769, 5020, 5022, 5130, 5301, 5580, 5890, 6156, 6777, 7068, 7530, 7695, 7781, 8370, 8835, 9036, 9538, 10044, 10260, 10602, 11295, 11780, 12555, 13554, 14307, 15060, 15390, 15562, 15903, 16740, 17670, 19076, 20331, 21204, 22590, 23343, 23845, 25110, 26505, 27108, 28614, 30780, 31124, 31806, 33885, 35340, 38905, 40662, 42921, 45180, 46686, 47690, 47709, 50220, 53010, 57228, 63612, 67770, 70029, 71535, 77810, 79515, 81324, 85842, 93372, 95380, 95418, 101655, 106020, 116715, 128763, 135540, 140058, 143070, 147839, 155620, 159030, 171684, 190836, 203310, 210087, 214605, 233430, 238545, 257526, 280116, 286140, 295678, 318060, 350145, 386289, 406620, 420174, 429210, 443517, 466860, 477090, 515052, 591356, 630261, 643815, 700290, 739195, 772578, 840348, 858420, 887034, 954180, 1050435, 1260522, 1287630, 1330551, 1400580, 1478390, 1545156, 1774068, 1931445, 2100870, 2217585, 2521044, 2575260, 2661102, 2956780, 3151305, 3862890, 3991653, 4201740, 4435170, 5322204, 6302610, 6652755, 7725780, 7983306, 8870340, 11974959, 12605220, 13305510, 15966612, 19958265, 23949918, 26611020, 39916530, 47899836, 59874795, 79833060, 119749590, 239499180]

約数ペア:

[(1, 239499180), (2, 119749590), (3, 79833060), (4, 59874795), (5, 47899836), (6, 39916530), (9, 26611020), (10, 23949918), (12, 19958265), (15, 15966612), (18, 13305510), (19, 12605220), (20, 11974959), (27, 8870340), (30, 7983306), (31, 7725780), (36, 6652755), (38, 6302610), (45, 5322204), (54, 4435170), (57, 4201740), (60, 3991653), (62, 3862890), (76, 3151305), (81, 2956780), (90, 2661102), (93, 2575260), (95, 2521044), (108, 2217585), (114, 2100870), (124, 1931445), (135, 1774068), (155, 1545156), (162, 1478390), (171, 1400580), (180, 1330551), (186, 1287630), (190, 1260522), (228, 1050435), (251, 954180), (270, 887034), (279, 858420), (285, 840348), (310, 772578), (324, 739195), (342, 700290), (372, 643815), (380, 630261), (405, 591356), (465, 515052), (502, 477090), (513, 466860), (540, 443517), (558, 429210), (570, 420174), (589, 406620), (620, 386289), (684, 350145), (753, 318060), (810, 295678), (837, 286140), (855, 280116), (930, 257526), (1004, 238545), (1026, 233430), (1116, 214605), (1140, 210087), (1178, 203310), (1255, 190836), (1395, 171684), (1506, 159030), (1539, 155620), (1620, 147839), (1674, 143070), (1710, 140058), (1767, 135540), (1860, 128763), (2052, 116715), (2259, 106020), (2356, 101655), (2510, 95418), (2511, 95380), (2565, 93372), (2790, 85842), (2945, 81324), (3012, 79515), (3078, 77810), (3348, 71535), (3420, 70029), (3534, 67770), (3765, 63612), (4185, 57228), (4518, 53010), (4769, 50220), (5020, 47709), (5022, 47690), (5130, 46686), (5301, 45180), (5580, 42921), (5890, 40662), (6156, 38905), (6777, 35340), (7068, 33885), (7530, 31806), (7695, 31124), (7781, 30780), (8370, 28614), (8835, 27108), (9036, 26505), (9538, 25110), (10044, 23845), (10260, 23343), (10602, 22590), (11295, 21204), (11780, 20331), (12555, 19076), (13554, 17670), (14307, 16740), (15060, 15903), (15390, 15562)]