15616720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 42140160

約数和(自身を除く): 26523440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 353, 395, 553, 560, 632, 706, 790, 1106, 1264, 1412, 1580, 1765, 2212, 2471, 2765, 2824, 3160, 3530, 4424, 4942, 5530, 5648, 6320, 7060, 8848, 9884, 11060, 12355, 14120, 19768, 22120, 24710, 27887, 28240, 39536, 44240, 49420, 55774, 98840, 111548, 139435, 195209, 197680, 223096, 278870, 390418, 446192, 557740, 780836, 976045, 1115480, 1561672, 1952090, 2230960, 3123344, 3904180, 7808360, 15616720]

約数ペア:

[(1, 15616720), (2, 7808360), (4, 3904180), (5, 3123344), (7, 2230960), (8, 1952090), (10, 1561672), (14, 1115480), (16, 976045), (20, 780836), (28, 557740), (35, 446192), (40, 390418), (56, 278870), (70, 223096), (79, 197680), (80, 195209), (112, 139435), (140, 111548), (158, 98840), (280, 55774), (316, 49420), (353, 44240), (395, 39536), (553, 28240), (560, 27887), (632, 24710), (706, 22120), (790, 19768), (1106, 14120), (1264, 12355), (1412, 11060), (1580, 9884), (1765, 8848), (2212, 7060), (2471, 6320), (2765, 5648), (2824, 5530), (3160, 4942), (3530, 4424)]