31142520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 110916000

約数和(自身を除く): 79773480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 57, 58, 60, 72, 76, 87, 90, 95, 114, 116, 120, 145, 152, 157, 171, 174, 180, 190, 228, 232, 261, 285, 290, 314, 342, 348, 360, 380, 435, 456, 471, 522, 551, 570, 580, 628, 684, 696, 760, 785, 855, 870, 942, 1044, 1102, 1140, 1160, 1256, 1305, 1368, 1413, 1570, 1653, 1710, 1740, 1884, 2088, 2204, 2280, 2355, 2610, 2755, 2826, 2983, 3140, 3306, 3420, 3480, 3768, 4408, 4553, 4710, 4959, 5220, 5510, 5652, 5966, 6280, 6612, 6840, 7065, 8265, 8949, 9106, 9420, 9918, 10440, 11020, 11304, 11932, 13224, 13659, 14130, 14915, 16530, 17898, 18212, 18840, 19836, 22040, 22765, 23864, 24795, 26847, 27318, 28260, 29830, 33060, 35796, 36424, 39672, 40977, 44745, 45530, 49590, 53694, 54636, 56520, 59660, 66120, 68295, 71592, 81954, 86507, 89490, 91060, 99180, 107388, 109272, 119320, 134235, 136590, 163908, 173014, 178980, 182120, 198360, 204885, 214776, 259521, 268470, 273180, 327816, 346028, 357960, 409770, 432535, 519042, 536940, 546360, 692056, 778563, 819540, 865070, 1038084, 1073880, 1297605, 1557126, 1639080, 1730140, 2076168, 2595210, 3114252, 3460280, 3892815, 5190420, 6228504, 7785630, 10380840, 15571260, 31142520]

約数ペア:

[(1, 31142520), (2, 15571260), (3, 10380840), (4, 7785630), (5, 6228504), (6, 5190420), (8, 3892815), (9, 3460280), (10, 3114252), (12, 2595210), (15, 2076168), (18, 1730140), (19, 1639080), (20, 1557126), (24, 1297605), (29, 1073880), (30, 1038084), (36, 865070), (38, 819540), (40, 778563), (45, 692056), (57, 546360), (58, 536940), (60, 519042), (72, 432535), (76, 409770), (87, 357960), (90, 346028), (95, 327816), (114, 273180), (116, 268470), (120, 259521), (145, 214776), (152, 204885), (157, 198360), (171, 182120), (174, 178980), (180, 173014), (190, 163908), (228, 136590), (232, 134235), (261, 119320), (285, 109272), (290, 107388), (314, 99180), (342, 91060), (348, 89490), (360, 86507), (380, 81954), (435, 71592), (456, 68295), (471, 66120), (522, 59660), (551, 56520), (570, 54636), (580, 53694), (628, 49590), (684, 45530), (696, 44745), (760, 40977), (785, 39672), (855, 36424), (870, 35796), (942, 33060), (1044, 29830), (1102, 28260), (1140, 27318), (1160, 26847), (1256, 24795), (1305, 23864), (1368, 22765), (1413, 22040), (1570, 19836), (1653, 18840), (1710, 18212), (1740, 17898), (1884, 16530), (2088, 14915), (2204, 14130), (2280, 13659), (2355, 13224), (2610, 11932), (2755, 11304), (2826, 11020), (2983, 10440), (3140, 9918), (3306, 9420), (3420, 9106), (3480, 8949), (3768, 8265), (4408, 7065), (4553, 6840), (4710, 6612), (4959, 6280), (5220, 5966), (5510, 5652)]