720283520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1013}}^1$

素因数の和:1144

約数の個数: 128

約数和(自身を含む): 1898938080

約数和(自身を除く): 1178654560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 101, 110, 128, 160, 176, 202, 220, 320, 352, 404, 440, 505, 640, 704, 808, 880, 1010, 1013, 1111, 1408, 1616, 1760, 2020, 2026, 2222, 3232, 3520, 4040, 4052, 4444, 5065, 5555, 6464, 7040, 8080, 8104, 8888, 10130, 11110, 11143, 12928, 16160, 16208, 17776, 20260, 22220, 22286, 32320, 32416, 35552, 40520, 44440, 44572, 55715, 64640, 64832, 71104, 81040, 88880, 89144, 102313, 111430, 129664, 142208, 162080, 177760, 178288, 204626, 222860, 324160, 355520, 356576, 409252, 445720, 511565, 648320, 711040, 713152, 818504, 891440, 1023130, 1125443, 1426304, 1637008, 1782880, 2046260, 2250886, 3274016, 3565760, 4092520, 4501772, 5627215, 6548032, 7131520, 8185040, 9003544, 11254430, 13096064, 16370080, 18007088, 22508860, 32740160, 36014176, 45017720, 65480320, 72028352, 90035440, 144056704, 180070880, 360141760, 720283520]

約数ペア:

[(1, 720283520), (2, 360141760), (4, 180070880), (5, 144056704), (8, 90035440), (10, 72028352), (11, 65480320), (16, 45017720), (20, 36014176), (22, 32740160), (32, 22508860), (40, 18007088), (44, 16370080), (55, 13096064), (64, 11254430), (80, 9003544), (88, 8185040), (101, 7131520), (110, 6548032), (128, 5627215), (160, 4501772), (176, 4092520), (202, 3565760), (220, 3274016), (320, 2250886), (352, 2046260), (404, 1782880), (440, 1637008), (505, 1426304), (640, 1125443), (704, 1023130), (808, 891440), (880, 818504), (1010, 713152), (1013, 711040), (1111, 648320), (1408, 511565), (1616, 445720), (1760, 409252), (2020, 356576), (2026, 355520), (2222, 324160), (3232, 222860), (3520, 204626), (4040, 178288), (4052, 177760), (4444, 162080), (5065, 142208), (5555, 129664), (6464, 111430), (7040, 102313), (8080, 89144), (8104, 88880), (8888, 81040), (10130, 71104), (11110, 64832), (11143, 64640), (12928, 55715), (16160, 44572), (16208, 44440), (17776, 40520), (20260, 35552), (22220, 32416), (22286, 32320)]