154491660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 497952000

約数和(自身を除く): 343460340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 199, 227, 228, 285, 342, 380, 398, 454, 570, 597, 681, 684, 796, 855, 908, 995, 1135, 1140, 1194, 1362, 1710, 1791, 1990, 2043, 2270, 2388, 2724, 2985, 3405, 3420, 3582, 3781, 3980, 4086, 4313, 4540, 5970, 6810, 7164, 7562, 8172, 8626, 8955, 10215, 11343, 11940, 12939, 13620, 15124, 17252, 17910, 18905, 20430, 21565, 22686, 25878, 34029, 35820, 37810, 38817, 40860, 43130, 45173, 45372, 51756, 56715, 64695, 68058, 75620, 77634, 86260, 90346, 113430, 129390, 135519, 136116, 155268, 170145, 180692, 194085, 225865, 226860, 258780, 271038, 340290, 388170, 406557, 451730, 542076, 677595, 680580, 776340, 813114, 858287, 903460, 1355190, 1626228, 1716574, 2032785, 2574861, 2710380, 3433148, 4065570, 4291435, 5149722, 7724583, 8131140, 8582870, 10299444, 12874305, 15449166, 17165740, 25748610, 30898332, 38622915, 51497220, 77245830, 154491660]

約数ペア:

[(1, 154491660), (2, 77245830), (3, 51497220), (4, 38622915), (5, 30898332), (6, 25748610), (9, 17165740), (10, 15449166), (12, 12874305), (15, 10299444), (18, 8582870), (19, 8131140), (20, 7724583), (30, 5149722), (36, 4291435), (38, 4065570), (45, 3433148), (57, 2710380), (60, 2574861), (76, 2032785), (90, 1716574), (95, 1626228), (114, 1355190), (171, 903460), (180, 858287), (190, 813114), (199, 776340), (227, 680580), (228, 677595), (285, 542076), (342, 451730), (380, 406557), (398, 388170), (454, 340290), (570, 271038), (597, 258780), (681, 226860), (684, 225865), (796, 194085), (855, 180692), (908, 170145), (995, 155268), (1135, 136116), (1140, 135519), (1194, 129390), (1362, 113430), (1710, 90346), (1791, 86260), (1990, 77634), (2043, 75620), (2270, 68058), (2388, 64695), (2724, 56715), (2985, 51756), (3405, 45372), (3420, 45173), (3582, 43130), (3781, 40860), (3980, 38817), (4086, 37810), (4313, 35820), (4540, 34029), (5970, 25878), (6810, 22686), (7164, 21565), (7562, 20430), (8172, 18905), (8626, 17910), (8955, 17252), (10215, 15124), (11343, 13620), (11940, 12939)]