221302800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 240

約数和(自身を含む): 814312960

約数和(自身を除く): 593010160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 48, 50, 54, 60, 62, 72, 75, 80, 90, 93, 100, 108, 120, 124, 135, 144, 150, 155, 180, 186, 200, 216, 225, 240, 248, 270, 279, 300, 310, 360, 372, 400, 432, 450, 465, 496, 540, 558, 600, 620, 661, 675, 720, 744, 775, 837, 900, 930, 1080, 1116, 1200, 1240, 1322, 1350, 1395, 1488, 1550, 1674, 1800, 1860, 1983, 2160, 2232, 2325, 2480, 2644, 2700, 2790, 3100, 3305, 3348, 3600, 3720, 3966, 4185, 4464, 4650, 5288, 5400, 5580, 5949, 6200, 6610, 6696, 6975, 7440, 7932, 8370, 9300, 9915, 10576, 10800, 11160, 11898, 12400, 13220, 13392, 13950, 15864, 16525, 16740, 17847, 18600, 19830, 20491, 20925, 22320, 23796, 26440, 27900, 29745, 31728, 33050, 33480, 35694, 37200, 39660, 40982, 41850, 47592, 49575, 52880, 55800, 59490, 61473, 66100, 66960, 71388, 79320, 81964, 83700, 89235, 95184, 99150, 102455, 111600, 118980, 122946, 132200, 142776, 148725, 158640, 163928, 167400, 178470, 184419, 198300, 204910, 237960, 245892, 264400, 285552, 297450, 307365, 327856, 334800, 356940, 368838, 396600, 409820, 446175, 475920, 491784, 512275, 553257, 594900, 614730, 713880, 737676, 793200, 819640, 892350, 922095, 983568, 1024550, 1106514, 1189800, 1229460, 1427760, 1475352, 1536825, 1639280, 1784700, 1844190, 2049100, 2213028, 2379600, 2458920, 2766285, 2950704, 3073650, 3569400, 3688380, 4098200, 4426056, 4610475, 4917840, 5532570, 6147300, 7138800, 7376760, 8196400, 8852112, 9220950, 11065140, 12294600, 13831425, 14753520, 18441900, 22130280, 24589200, 27662850, 36883800, 44260560, 55325700, 73767600, 110651400, 221302800]

約数ペア:

[(1, 221302800), (2, 110651400), (3, 73767600), (4, 55325700), (5, 44260560), (6, 36883800), (8, 27662850), (9, 24589200), (10, 22130280), (12, 18441900), (15, 14753520), (16, 13831425), (18, 12294600), (20, 11065140), (24, 9220950), (25, 8852112), (27, 8196400), (30, 7376760), (31, 7138800), (36, 6147300), (40, 5532570), (45, 4917840), (48, 4610475), (50, 4426056), (54, 4098200), (60, 3688380), (62, 3569400), (72, 3073650), (75, 2950704), (80, 2766285), (90, 2458920), (93, 2379600), (100, 2213028), (108, 2049100), (120, 1844190), (124, 1784700), (135, 1639280), (144, 1536825), (150, 1475352), (155, 1427760), (180, 1229460), (186, 1189800), (200, 1106514), (216, 1024550), (225, 983568), (240, 922095), (248, 892350), (270, 819640), (279, 793200), (300, 737676), (310, 713880), (360, 614730), (372, 594900), (400, 553257), (432, 512275), (450, 491784), (465, 475920), (496, 446175), (540, 409820), (558, 396600), (600, 368838), (620, 356940), (661, 334800), (675, 327856), (720, 307365), (744, 297450), (775, 285552), (837, 264400), (900, 245892), (930, 237960), (1080, 204910), (1116, 198300), (1200, 184419), (1240, 178470), (1322, 167400), (1350, 163928), (1395, 158640), (1488, 148725), (1550, 142776), (1674, 132200), (1800, 122946), (1860, 118980), (1983, 111600), (2160, 102455), (2232, 99150), (2325, 95184), (2480, 89235), (2644, 83700), (2700, 81964), (2790, 79320), (3100, 71388), (3305, 66960), (3348, 66100), (3600, 61473), (3720, 59490), (3966, 55800), (4185, 52880), (4464, 49575), (4650, 47592), (5288, 41850), (5400, 40982), (5580, 39660), (5949, 37200), (6200, 35694), (6610, 33480), (6696, 33050), (6975, 31728), (7440, 29745), (7932, 27900), (8370, 26440), (9300, 23796), (9915, 22320), (10576, 20925), (10800, 20491), (11160, 19830), (11898, 18600), (12400, 17847), (13220, 16740), (13392, 16525), (13950, 15864)]