87721290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1268

約数の個数: 96

約数和(自身を含む): 245868480

約数和(自身を除く): 158147190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 43, 45, 57, 86, 90, 95, 114, 129, 171, 190, 215, 258, 285, 342, 387, 430, 570, 645, 774, 817, 855, 1193, 1290, 1634, 1710, 1935, 2386, 2451, 3579, 3870, 4085, 4902, 5965, 7158, 7353, 8170, 10737, 11930, 12255, 14706, 17895, 21474, 22667, 24510, 35790, 36765, 45334, 51299, 53685, 68001, 73530, 102598, 107370, 113335, 136002, 153897, 204003, 226670, 256495, 307794, 340005, 408006, 461691, 512990, 680010, 769485, 923382, 974681, 1020015, 1538970, 1949362, 2040030, 2308455, 2924043, 4616910, 4873405, 5848086, 8772129, 9746810, 14620215, 17544258, 29240430, 43860645, 87721290]

約数ペア:

[(1, 87721290), (2, 43860645), (3, 29240430), (5, 17544258), (6, 14620215), (9, 9746810), (10, 8772129), (15, 5848086), (18, 4873405), (19, 4616910), (30, 2924043), (38, 2308455), (43, 2040030), (45, 1949362), (57, 1538970), (86, 1020015), (90, 974681), (95, 923382), (114, 769485), (129, 680010), (171, 512990), (190, 461691), (215, 408006), (258, 340005), (285, 307794), (342, 256495), (387, 226670), (430, 204003), (570, 153897), (645, 136002), (774, 113335), (817, 107370), (855, 102598), (1193, 73530), (1290, 68001), (1634, 53685), (1710, 51299), (1935, 45334), (2386, 36765), (2451, 35790), (3579, 24510), (3870, 22667), (4085, 21474), (4902, 17895), (5965, 14706), (7158, 12255), (7353, 11930), (8170, 10737)]