631235920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49009}}^1$

素因数の和:49052

約数の個数: 80

約数和(自身を含む): 1750245120

約数和(自身を除く): 1119009200

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, 49009, 98018, 196036, 245045, 343063, 392072, 490090, 686126, 784144, 980180, 1127207, 1372252, 1715315, 1960360, 2254414, 2744504, 3430630, 3920720, 4508828, 5489008, 5636035, 6861260, 7890449, 9017656, 11272070, 13722520, 15780898, 18035312, 22544140, 27445040, 31561796, 39452245, 45088280, 63123592, 78904490, 90176560, 126247184, 157808980, 315617960, 631235920]

約数ペア:

[(1, 631235920), (2, 315617960), (4, 157808980), (5, 126247184), (7, 90176560), (8, 78904490), (10, 63123592), (14, 45088280), (16, 39452245), (20, 31561796), (23, 27445040), (28, 22544140), (35, 18035312), (40, 15780898), (46, 13722520), (56, 11272070), (70, 9017656), (80, 7890449), (92, 6861260), (112, 5636035), (115, 5489008), (140, 4508828), (161, 3920720), (184, 3430630), (230, 2744504), (280, 2254414), (322, 1960360), (368, 1715315), (460, 1372252), (560, 1127207), (644, 980180), (805, 784144), (920, 686126), (1288, 490090), (1610, 392072), (1840, 343063), (2576, 245045), (3220, 196036), (6440, 98018), (12880, 49009)]