15571260

素因数分解:

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

素因数の和:220

約数の個数: 144

約数和(自身を含む): 51760800

約数和(自身を除く): 36189540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 157, 171, 174, 180, 190, 228, 261, 285, 290, 314, 342, 348, 380, 435, 471, 522, 551, 570, 580, 628, 684, 785, 855, 870, 942, 1044, 1102, 1140, 1305, 1413, 1570, 1653, 1710, 1740, 1884, 2204, 2355, 2610, 2755, 2826, 2983, 3140, 3306, 3420, 4553, 4710, 4959, 5220, 5510, 5652, 5966, 6612, 7065, 8265, 8949, 9106, 9420, 9918, 11020, 11932, 13659, 14130, 14915, 16530, 17898, 18212, 19836, 22765, 24795, 26847, 27318, 28260, 29830, 33060, 35796, 40977, 44745, 45530, 49590, 53694, 54636, 59660, 68295, 81954, 86507, 89490, 91060, 99180, 107388, 134235, 136590, 163908, 173014, 178980, 204885, 259521, 268470, 273180, 346028, 409770, 432535, 519042, 536940, 778563, 819540, 865070, 1038084, 1297605, 1557126, 1730140, 2595210, 3114252, 3892815, 5190420, 7785630, 15571260]

約数ペア:

[(1, 15571260), (2, 7785630), (3, 5190420), (4, 3892815), (5, 3114252), (6, 2595210), (9, 1730140), (10, 1557126), (12, 1297605), (15, 1038084), (18, 865070), (19, 819540), (20, 778563), (29, 536940), (30, 519042), (36, 432535), (38, 409770), (45, 346028), (57, 273180), (58, 268470), (60, 259521), (76, 204885), (87, 178980), (90, 173014), (95, 163908), (114, 136590), (116, 134235), (145, 107388), (157, 99180), (171, 91060), (174, 89490), (180, 86507), (190, 81954), (228, 68295), (261, 59660), (285, 54636), (290, 53694), (314, 49590), (342, 45530), (348, 44745), (380, 40977), (435, 35796), (471, 33060), (522, 29830), (551, 28260), (570, 27318), (580, 26847), (628, 24795), (684, 22765), (785, 19836), (855, 18212), (870, 17898), (942, 16530), (1044, 14915), (1102, 14130), (1140, 13659), (1305, 11932), (1413, 11020), (1570, 9918), (1653, 9420), (1710, 9106), (1740, 8949), (1884, 8265), (2204, 7065), (2355, 6612), (2610, 5966), (2755, 5652), (2826, 5510), (2983, 5220), (3140, 4959), (3306, 4710), (3420, 4553)]