71142680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11047}}^1$

素因数の和:11088

約数の個数: 64

約数和(自身を含む): 190909440

約数和(自身を除く): 119766760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 11047, 22094, 44188, 55235, 77329, 88376, 110470, 154658, 220940, 254081, 309316, 386645, 441880, 508162, 618632, 773290, 1016324, 1270405, 1546580, 1778567, 2032648, 2540810, 3093160, 3557134, 5081620, 7114268, 8892835, 10163240, 14228536, 17785670, 35571340, 71142680]

約数ペア:

[(1, 71142680), (2, 35571340), (4, 17785670), (5, 14228536), (7, 10163240), (8, 8892835), (10, 7114268), (14, 5081620), (20, 3557134), (23, 3093160), (28, 2540810), (35, 2032648), (40, 1778567), (46, 1546580), (56, 1270405), (70, 1016324), (92, 773290), (115, 618632), (140, 508162), (161, 441880), (184, 386645), (230, 309316), (280, 254081), (322, 220940), (460, 154658), (644, 110470), (805, 88376), (920, 77329), (1288, 55235), (1610, 44188), (3220, 22094), (6440, 11047)]