81878904

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 243648000

約数和(自身を除く): 161769096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 71, 72, 76, 108, 114, 142, 152, 171, 213, 216, 228, 281, 284, 342, 426, 456, 513, 562, 568, 639, 684, 843, 852, 1026, 1124, 1278, 1349, 1368, 1686, 1704, 1917, 2052, 2248, 2529, 2556, 2698, 3372, 3834, 4047, 4104, 5058, 5112, 5339, 5396, 6744, 7587, 7668, 8094, 10116, 10678, 10792, 12141, 15174, 15336, 16017, 16188, 19951, 20232, 21356, 24282, 30348, 32034, 32376, 36423, 39902, 42712, 48051, 48564, 59853, 60696, 64068, 72846, 79804, 96102, 97128, 119706, 128136, 144153, 145692, 159608, 179559, 192204, 239412, 288306, 291384, 359118, 379069, 384408, 478824, 538677, 576612, 718236, 758138, 1077354, 1137207, 1153224, 1436472, 1516276, 2154708, 2274414, 3032552, 3411621, 4309416, 4548828, 6823242, 9097656, 10234863, 13646484, 20469726, 27292968, 40939452, 81878904]

約数ペア:

[(1, 81878904), (2, 40939452), (3, 27292968), (4, 20469726), (6, 13646484), (8, 10234863), (9, 9097656), (12, 6823242), (18, 4548828), (19, 4309416), (24, 3411621), (27, 3032552), (36, 2274414), (38, 2154708), (54, 1516276), (57, 1436472), (71, 1153224), (72, 1137207), (76, 1077354), (108, 758138), (114, 718236), (142, 576612), (152, 538677), (171, 478824), (213, 384408), (216, 379069), (228, 359118), (281, 291384), (284, 288306), (342, 239412), (426, 192204), (456, 179559), (513, 159608), (562, 145692), (568, 144153), (639, 128136), (684, 119706), (843, 97128), (852, 96102), (1026, 79804), (1124, 72846), (1278, 64068), (1349, 60696), (1368, 59853), (1686, 48564), (1704, 48051), (1917, 42712), (2052, 39902), (2248, 36423), (2529, 32376), (2556, 32034), (2698, 30348), (3372, 24282), (3834, 21356), (4047, 20232), (4104, 19951), (5058, 16188), (5112, 16017), (5339, 15336), (5396, 15174), (6744, 12141), (7587, 10792), (7668, 10678), (8094, 10116)]