1815201900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7286

約数の個数: 180

約数和(自身を含む): 6074819520

約数和(自身を除く): 4259617620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 81, 90, 93, 100, 108, 124, 135, 150, 155, 162, 180, 186, 225, 270, 279, 300, 310, 324, 372, 405, 450, 465, 540, 558, 620, 675, 775, 810, 837, 900, 930, 1116, 1350, 1395, 1550, 1620, 1674, 1860, 2025, 2325, 2511, 2700, 2790, 3100, 3348, 4050, 4185, 4650, 5022, 5580, 6975, 7229, 8100, 8370, 9300, 10044, 12555, 13950, 14458, 16740, 20925, 21687, 25110, 27900, 28916, 36145, 41850, 43374, 50220, 62775, 65061, 72290, 83700, 86748, 108435, 125550, 130122, 144580, 180725, 195183, 216870, 224099, 251100, 260244, 325305, 361450, 390366, 433740, 448198, 542175, 585549, 650610, 672297, 722900, 780732, 896396, 975915, 1084350, 1120495, 1171098, 1301220, 1344594, 1626525, 1951830, 2016891, 2168700, 2240990, 2342196, 2689188, 2927745, 3253050, 3361485, 3903660, 4033782, 4481980, 4879575, 5602475, 5855490, 6050673, 6506100, 6722970, 8067564, 9759150, 10084455, 11204950, 11710980, 12101346, 13445940, 14638725, 16807425, 18152019, 19518300, 20168910, 22409900, 24202692, 29277450, 30253365, 33614850, 36304038, 40337820, 50422275, 58554900, 60506730, 67229700, 72608076, 90760095, 100844550, 121013460, 151266825, 181520190, 201689100, 302533650, 363040380, 453800475, 605067300, 907600950, 1815201900]

約数ペア:

[(1, 1815201900), (2, 907600950), (3, 605067300), (4, 453800475), (5, 363040380), (6, 302533650), (9, 201689100), (10, 181520190), (12, 151266825), (15, 121013460), (18, 100844550), (20, 90760095), (25, 72608076), (27, 67229700), (30, 60506730), (31, 58554900), (36, 50422275), (45, 40337820), (50, 36304038), (54, 33614850), (60, 30253365), (62, 29277450), (75, 24202692), (81, 22409900), (90, 20168910), (93, 19518300), (100, 18152019), (108, 16807425), (124, 14638725), (135, 13445940), (150, 12101346), (155, 11710980), (162, 11204950), (180, 10084455), (186, 9759150), (225, 8067564), (270, 6722970), (279, 6506100), (300, 6050673), (310, 5855490), (324, 5602475), (372, 4879575), (405, 4481980), (450, 4033782), (465, 3903660), (540, 3361485), (558, 3253050), (620, 2927745), (675, 2689188), (775, 2342196), (810, 2240990), (837, 2168700), (900, 2016891), (930, 1951830), (1116, 1626525), (1350, 1344594), (1395, 1301220), (1550, 1171098), (1620, 1120495), (1674, 1084350), (1860, 975915), (2025, 896396), (2325, 780732), (2511, 722900), (2700, 672297), (2790, 650610), (3100, 585549), (3348, 542175), (4050, 448198), (4185, 433740), (4650, 390366), (5022, 361450), (5580, 325305), (6975, 260244), (7229, 251100), (8100, 224099), (8370, 216870), (9300, 195183), (10044, 180725), (12555, 144580), (13950, 130122), (14458, 125550), (16740, 108435), (20925, 86748), (21687, 83700), (25110, 72290), (27900, 65061), (28916, 62775), (36145, 50220), (41850, 43374)]