72656080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5641}}^1$

素因数の和:5684

約数の個数: 80

約数和(自身を含む): 201487104

約数和(自身を除く): 128831024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5641, 6440, 11282, 12880, 22564, 28205, 39487, 45128, 56410, 78974, 90256, 112820, 129743, 157948, 197435, 225640, 259486, 315896, 394870, 451280, 518972, 631792, 648715, 789740, 908201, 1037944, 1297430, 1579480, 1816402, 2075888, 2594860, 3158960, 3632804, 4541005, 5189720, 7265608, 9082010, 10379440, 14531216, 18164020, 36328040, 72656080]

約数ペア:

[(1, 72656080), (2, 36328040), (4, 18164020), (5, 14531216), (7, 10379440), (8, 9082010), (10, 7265608), (14, 5189720), (16, 4541005), (20, 3632804), (23, 3158960), (28, 2594860), (35, 2075888), (40, 1816402), (46, 1579480), (56, 1297430), (70, 1037944), (80, 908201), (92, 789740), (112, 648715), (115, 631792), (140, 518972), (161, 451280), (184, 394870), (230, 315896), (280, 259486), (322, 225640), (368, 197435), (460, 157948), (560, 129743), (644, 112820), (805, 90256), (920, 78974), (1288, 56410), (1610, 45128), (1840, 39487), (2576, 28205), (3220, 22564), (5641, 12880), (6440, 11282)]