154911960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 256

約数和(自身を含む): 610099200

約数和(自身を除く): 455187240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 661, 744, 756, 837, 840, 868, 930, 945, 1080, 1085, 1116, 1240, 1260, 1302, 1322, 1395, 1512, 1674, 1736, 1860, 1890, 1953, 1983, 2170, 2232, 2520, 2604, 2644, 2790, 3255, 3305, 3348, 3720, 3780, 3906, 3966, 4185, 4340, 4627, 5208, 5288, 5580, 5859, 5949, 6510, 6610, 6696, 7560, 7812, 7932, 8370, 8680, 9254, 9765, 9915, 11160, 11718, 11898, 13020, 13220, 13881, 15624, 15864, 16740, 17847, 18508, 19530, 19830, 20491, 23135, 23436, 23796, 26040, 26440, 27762, 29295, 29745, 33480, 35694, 37016, 39060, 39660, 40982, 41643, 46270, 46872, 47592, 55524, 58590, 59490, 61473, 69405, 71388, 78120, 79320, 81964, 83286, 89235, 92540, 102455, 111048, 117180, 118980, 122946, 124929, 138810, 142776, 143437, 163928, 166572, 178470, 184419, 185080, 204910, 208215, 234360, 237960, 245892, 249858, 277620, 286874, 307365, 333144, 356940, 368838, 409820, 416430, 430311, 491784, 499716, 553257, 555240, 573748, 614730, 624645, 713880, 717185, 737676, 819640, 832860, 860622, 922095, 999432, 1106514, 1147496, 1229460, 1249290, 1290933, 1434370, 1475352, 1665720, 1721244, 1844190, 2151555, 2213028, 2458920, 2498580, 2581866, 2766285, 2868740, 3442488, 3688380, 3872799, 4303110, 4426056, 4997160, 5163732, 5532570, 5737480, 6454665, 7376760, 7745598, 8606220, 10327464, 11065140, 12909330, 15491196, 17212440, 19363995, 22130280, 25818660, 30982392, 38727990, 51637320, 77455980, 154911960]

約数ペア:

[(1, 154911960), (2, 77455980), (3, 51637320), (4, 38727990), (5, 30982392), (6, 25818660), (7, 22130280), (8, 19363995), (9, 17212440), (10, 15491196), (12, 12909330), (14, 11065140), (15, 10327464), (18, 8606220), (20, 7745598), (21, 7376760), (24, 6454665), (27, 5737480), (28, 5532570), (30, 5163732), (31, 4997160), (35, 4426056), (36, 4303110), (40, 3872799), (42, 3688380), (45, 3442488), (54, 2868740), (56, 2766285), (60, 2581866), (62, 2498580), (63, 2458920), (70, 2213028), (72, 2151555), (84, 1844190), (90, 1721244), (93, 1665720), (105, 1475352), (108, 1434370), (120, 1290933), (124, 1249290), (126, 1229460), (135, 1147496), (140, 1106514), (155, 999432), (168, 922095), (180, 860622), (186, 832860), (189, 819640), (210, 737676), (216, 717185), (217, 713880), (248, 624645), (252, 614730), (270, 573748), (279, 555240), (280, 553257), (310, 499716), (315, 491784), (360, 430311), (372, 416430), (378, 409820), (420, 368838), (434, 356940), (465, 333144), (504, 307365), (540, 286874), (558, 277620), (620, 249858), (630, 245892), (651, 237960), (661, 234360), (744, 208215), (756, 204910), (837, 185080), (840, 184419), (868, 178470), (930, 166572), (945, 163928), (1080, 143437), (1085, 142776), (1116, 138810), (1240, 124929), (1260, 122946), (1302, 118980), (1322, 117180), (1395, 111048), (1512, 102455), (1674, 92540), (1736, 89235), (1860, 83286), (1890, 81964), (1953, 79320), (1983, 78120), (2170, 71388), (2232, 69405), (2520, 61473), (2604, 59490), (2644, 58590), (2790, 55524), (3255, 47592), (3305, 46872), (3348, 46270), (3720, 41643), (3780, 40982), (3906, 39660), (3966, 39060), (4185, 37016), (4340, 35694), (4627, 33480), (5208, 29745), (5288, 29295), (5580, 27762), (5859, 26440), (5949, 26040), (6510, 23796), (6610, 23436), (6696, 23135), (7560, 20491), (7812, 19830), (7932, 19530), (8370, 18508), (8680, 17847), (9254, 16740), (9765, 15864), (9915, 15624), (11160, 13881), (11718, 13220), (11898, 13020)]