81842280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2331

約数の個数: 128

約数和(自身を含む): 276030720

約数和(自身を除く): 194188440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2281, 2392, 2760, 2990, 3588, 4485, 4562, 5980, 6843, 7176, 8970, 9124, 11405, 11960, 13686, 17940, 18248, 22810, 27372, 29653, 34215, 35880, 45620, 52463, 54744, 59306, 68430, 88959, 91240, 104926, 118612, 136860, 148265, 157389, 177918, 209852, 237224, 262315, 273720, 296530, 314778, 355836, 419704, 444795, 524630, 593060, 629556, 682019, 711672, 786945, 889590, 1049260, 1186120, 1259112, 1364038, 1573890, 1779180, 2046057, 2098520, 2728076, 3147780, 3410095, 3558360, 4092114, 5456152, 6295560, 6820190, 8184228, 10230285, 13640380, 16368456, 20460570, 27280760, 40921140, 81842280]

約数ペア:

[(1, 81842280), (2, 40921140), (3, 27280760), (4, 20460570), (5, 16368456), (6, 13640380), (8, 10230285), (10, 8184228), (12, 6820190), (13, 6295560), (15, 5456152), (20, 4092114), (23, 3558360), (24, 3410095), (26, 3147780), (30, 2728076), (39, 2098520), (40, 2046057), (46, 1779180), (52, 1573890), (60, 1364038), (65, 1259112), (69, 1186120), (78, 1049260), (92, 889590), (104, 786945), (115, 711672), (120, 682019), (130, 629556), (138, 593060), (156, 524630), (184, 444795), (195, 419704), (230, 355836), (260, 314778), (276, 296530), (299, 273720), (312, 262315), (345, 237224), (390, 209852), (460, 177918), (520, 157389), (552, 148265), (598, 136860), (690, 118612), (780, 104926), (897, 91240), (920, 88959), (1196, 68430), (1380, 59306), (1495, 54744), (1560, 52463), (1794, 45620), (2281, 35880), (2392, 34215), (2760, 29653), (2990, 27372), (3588, 22810), (4485, 18248), (4562, 17940), (5980, 13686), (6843, 11960), (7176, 11405), (8970, 9124)]