328960720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16253}}^1$

素因数の和:16300

約数の個数: 80

約数和(自身を含む): 870694272

約数和(自身を除く): 541733552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 16253, 20240, 32506, 65012, 81265, 130024, 162530, 178783, 260048, 325060, 357566, 373819, 650120, 715132, 747638, 893915, 1300240, 1430264, 1495276, 1787830, 1869095, 2860528, 2990552, 3575660, 3738190, 4112009, 5981104, 7151320, 7476380, 8224018, 14302640, 14952760, 16448036, 20560045, 29905520, 32896072, 41120090, 65792144, 82240180, 164480360, 328960720]

約数ペア:

[(1, 328960720), (2, 164480360), (4, 82240180), (5, 65792144), (8, 41120090), (10, 32896072), (11, 29905520), (16, 20560045), (20, 16448036), (22, 14952760), (23, 14302640), (40, 8224018), (44, 7476380), (46, 7151320), (55, 5981104), (80, 4112009), (88, 3738190), (92, 3575660), (110, 2990552), (115, 2860528), (176, 1869095), (184, 1787830), (220, 1495276), (230, 1430264), (253, 1300240), (368, 893915), (440, 747638), (460, 715132), (506, 650120), (880, 373819), (920, 357566), (1012, 325060), (1265, 260048), (1840, 178783), (2024, 162530), (2530, 130024), (4048, 81265), (5060, 65012), (10120, 32506), (16253, 20240)]