78155490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 221287680

約数和(自身を除く): 143132190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 79, 98, 105, 147, 158, 210, 237, 245, 294, 395, 474, 490, 553, 673, 735, 790, 1106, 1185, 1346, 1470, 1659, 2019, 2370, 2765, 3318, 3365, 3871, 4038, 4711, 5530, 6730, 7742, 8295, 9422, 10095, 11613, 14133, 16590, 19355, 20190, 23226, 23555, 28266, 32977, 38710, 47110, 53167, 58065, 65954, 70665, 98931, 106334, 116130, 141330, 159501, 164885, 197862, 265835, 319002, 329770, 372169, 494655, 531670, 744338, 797505, 989310, 1116507, 1595010, 1860845, 2233014, 2605183, 3721690, 5210366, 5582535, 7815549, 11165070, 13025915, 15631098, 26051830, 39077745, 78155490]

約数ペア:

[(1, 78155490), (2, 39077745), (3, 26051830), (5, 15631098), (6, 13025915), (7, 11165070), (10, 7815549), (14, 5582535), (15, 5210366), (21, 3721690), (30, 2605183), (35, 2233014), (42, 1860845), (49, 1595010), (70, 1116507), (79, 989310), (98, 797505), (105, 744338), (147, 531670), (158, 494655), (210, 372169), (237, 329770), (245, 319002), (294, 265835), (395, 197862), (474, 164885), (490, 159501), (553, 141330), (673, 116130), (735, 106334), (790, 98931), (1106, 70665), (1185, 65954), (1346, 58065), (1470, 53167), (1659, 47110), (2019, 38710), (2370, 32977), (2765, 28266), (3318, 23555), (3365, 23226), (3871, 20190), (4038, 19355), (4711, 16590), (5530, 14133), (6730, 11613), (7742, 10095), (8295, 9422)]