272321840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21143}}^1$

素因数の和:21186

約数の個数: 80

約数和(自身を含む): 755094528

約数和(自身を除く): 482772688

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, 6440, 12880, 21143, 42286, 84572, 105715, 148001, 169144, 211430, 296002, 338288, 422860, 486289, 592004, 740005, 845720, 972578, 1184008, 1480010, 1691440, 1945156, 2368016, 2431445, 2960020, 3404023, 3890312, 4862890, 5920040, 6808046, 7780624, 9725780, 11840080, 13616092, 17020115, 19451560, 27232184, 34040230, 38903120, 54464368, 68080460, 136160920, 272321840]

約数ペア:

[(1, 272321840), (2, 136160920), (4, 68080460), (5, 54464368), (7, 38903120), (8, 34040230), (10, 27232184), (14, 19451560), (16, 17020115), (20, 13616092), (23, 11840080), (28, 9725780), (35, 7780624), (40, 6808046), (46, 5920040), (56, 4862890), (70, 3890312), (80, 3404023), (92, 2960020), (112, 2431445), (115, 2368016), (140, 1945156), (161, 1691440), (184, 1480010), (230, 1184008), (280, 972578), (322, 845720), (368, 740005), (460, 592004), (560, 486289), (644, 422860), (805, 338288), (920, 296002), (1288, 211430), (1610, 169144), (1840, 148001), (2576, 105715), (3220, 84572), (6440, 42286), (12880, 21143)]