251333880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13009}}^1$

素因数の和:13053

約数の個数: 128

約数和(自身を含む): 899251200

約数和(自身を除く): 647917320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 13009, 19320, 26018, 39027, 52036, 65045, 78054, 91063, 104072, 130090, 156108, 182126, 195135, 260180, 273189, 299207, 312216, 364252, 390270, 455315, 520360, 546378, 598414, 728504, 780540, 897621, 910630, 1092756, 1196828, 1365945, 1496035, 1561080, 1795242, 1821260, 2094449, 2185512, 2393656, 2731890, 2992070, 3590484, 3642520, 4188898, 4488105, 5463780, 5984140, 6283347, 7180968, 8377796, 8976210, 10472245, 10927560, 11968280, 12566694, 16755592, 17952420, 20944490, 25133388, 31416735, 35904840, 41888980, 50266776, 62833470, 83777960, 125666940, 251333880]

約数ペア:

[(1, 251333880), (2, 125666940), (3, 83777960), (4, 62833470), (5, 50266776), (6, 41888980), (7, 35904840), (8, 31416735), (10, 25133388), (12, 20944490), (14, 17952420), (15, 16755592), (20, 12566694), (21, 11968280), (23, 10927560), (24, 10472245), (28, 8976210), (30, 8377796), (35, 7180968), (40, 6283347), (42, 5984140), (46, 5463780), (56, 4488105), (60, 4188898), (69, 3642520), (70, 3590484), (84, 2992070), (92, 2731890), (105, 2393656), (115, 2185512), (120, 2094449), (138, 1821260), (140, 1795242), (161, 1561080), (168, 1496035), (184, 1365945), (210, 1196828), (230, 1092756), (276, 910630), (280, 897621), (322, 780540), (345, 728504), (420, 598414), (460, 546378), (483, 520360), (552, 455315), (644, 390270), (690, 364252), (805, 312216), (840, 299207), (920, 273189), (966, 260180), (1288, 195135), (1380, 182126), (1610, 156108), (1932, 130090), (2415, 104072), (2760, 91063), (3220, 78054), (3864, 65045), (4830, 52036), (6440, 39027), (9660, 26018), (13009, 19320)]