131379984

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1613

約数の個数: 120

約数和(自身を含む): 399776000

約数和(自身を除く): 268396016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1549, 1767, 2232, 2356, 2736, 3098, 3534, 4464, 4647, 4712, 5301, 6196, 7068, 9294, 9424, 10602, 12392, 13941, 14136, 18588, 21204, 24784, 27882, 28272, 29431, 37176, 42408, 48019, 55764, 58862, 74352, 84816, 88293, 96038, 111528, 117724, 144057, 176586, 192076, 223056, 235448, 264879, 288114, 353172, 384152, 432171, 470896, 529758, 576228, 706344, 768304, 864342, 912361, 1059516, 1152456, 1412688, 1728684, 1824722, 2119032, 2304912, 2737083, 3457368, 3649444, 4238064, 5474166, 6914736, 7298888, 8211249, 10948332, 14597776, 16422498, 21896664, 32844996, 43793328, 65689992, 131379984]

約数ペア:

[(1, 131379984), (2, 65689992), (3, 43793328), (4, 32844996), (6, 21896664), (8, 16422498), (9, 14597776), (12, 10948332), (16, 8211249), (18, 7298888), (19, 6914736), (24, 5474166), (31, 4238064), (36, 3649444), (38, 3457368), (48, 2737083), (57, 2304912), (62, 2119032), (72, 1824722), (76, 1728684), (93, 1412688), (114, 1152456), (124, 1059516), (144, 912361), (152, 864342), (171, 768304), (186, 706344), (228, 576228), (248, 529758), (279, 470896), (304, 432171), (342, 384152), (372, 353172), (456, 288114), (496, 264879), (558, 235448), (589, 223056), (684, 192076), (744, 176586), (912, 144057), (1116, 117724), (1178, 111528), (1368, 96038), (1488, 88293), (1549, 84816), (1767, 74352), (2232, 58862), (2356, 55764), (2736, 48019), (3098, 42408), (3534, 37176), (4464, 29431), (4647, 28272), (4712, 27882), (5301, 24784), (6196, 21204), (7068, 18588), (9294, 14136), (9424, 13941), (10602, 12392)]