280889160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 892080000

約数和(自身を除く): 611190840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 349, 353, 380, 456, 570, 698, 706, 760, 1047, 1059, 1140, 1396, 1412, 1745, 1765, 2094, 2118, 2280, 2792, 2824, 3490, 3530, 4188, 4236, 5235, 5295, 6631, 6707, 6980, 7060, 8376, 8472, 10470, 10590, 13262, 13414, 13960, 14120, 19893, 20121, 20940, 21180, 26524, 26828, 33155, 33535, 39786, 40242, 41880, 42360, 53048, 53656, 66310, 67070, 79572, 80484, 99465, 100605, 123197, 132620, 134140, 159144, 160968, 198930, 201210, 246394, 265240, 268280, 369591, 397860, 402420, 492788, 615985, 739182, 795720, 804840, 985576, 1231970, 1478364, 1847955, 2340743, 2463940, 2956728, 3695910, 4681486, 4927880, 7022229, 7391820, 9362972, 11703715, 14044458, 14783640, 18725944, 23407430, 28088916, 35111145, 46814860, 56177832, 70222290, 93629720, 140444580, 280889160]

約数ペア:

[(1, 280889160), (2, 140444580), (3, 93629720), (4, 70222290), (5, 56177832), (6, 46814860), (8, 35111145), (10, 28088916), (12, 23407430), (15, 18725944), (19, 14783640), (20, 14044458), (24, 11703715), (30, 9362972), (38, 7391820), (40, 7022229), (57, 4927880), (60, 4681486), (76, 3695910), (95, 2956728), (114, 2463940), (120, 2340743), (152, 1847955), (190, 1478364), (228, 1231970), (285, 985576), (349, 804840), (353, 795720), (380, 739182), (456, 615985), (570, 492788), (698, 402420), (706, 397860), (760, 369591), (1047, 268280), (1059, 265240), (1140, 246394), (1396, 201210), (1412, 198930), (1745, 160968), (1765, 159144), (2094, 134140), (2118, 132620), (2280, 123197), (2792, 100605), (2824, 99465), (3490, 80484), (3530, 79572), (4188, 67070), (4236, 66310), (5235, 53656), (5295, 53048), (6631, 42360), (6707, 41880), (6980, 40242), (7060, 39786), (8376, 33535), (8472, 33155), (10470, 26828), (10590, 26524), (13262, 21180), (13414, 20940), (13960, 20121), (14120, 19893)]