1381520016

素因数分解:

$2^4\times 3^3\times {\mathrm{101}}^1\times {\mathrm{31663}}^1$

素因数の和:31781

約数の個数: 80

約数和(自身を含む): 4004862720

約数和(自身を除く): 2623342704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 101, 108, 144, 202, 216, 303, 404, 432, 606, 808, 909, 1212, 1616, 1818, 2424, 2727, 3636, 4848, 5454, 7272, 10908, 14544, 21816, 31663, 43632, 63326, 94989, 126652, 189978, 253304, 284967, 379956, 506608, 569934, 759912, 854901, 1139868, 1519824, 1709802, 2279736, 3197963, 3419604, 4559472, 6395926, 6839208, 9593889, 12791852, 13678416, 19187778, 25583704, 28781667, 38375556, 51167408, 57563334, 76751112, 86345001, 115126668, 153502224, 172690002, 230253336, 345380004, 460506672, 690760008, 1381520016]

約数ペア:

[(1, 1381520016), (2, 690760008), (3, 460506672), (4, 345380004), (6, 230253336), (8, 172690002), (9, 153502224), (12, 115126668), (16, 86345001), (18, 76751112), (24, 57563334), (27, 51167408), (36, 38375556), (48, 28781667), (54, 25583704), (72, 19187778), (101, 13678416), (108, 12791852), (144, 9593889), (202, 6839208), (216, 6395926), (303, 4559472), (404, 3419604), (432, 3197963), (606, 2279736), (808, 1709802), (909, 1519824), (1212, 1139868), (1616, 854901), (1818, 759912), (2424, 569934), (2727, 506608), (3636, 379956), (4848, 284967), (5454, 253304), (7272, 189978), (10908, 126652), (14544, 94989), (21816, 63326), (31663, 43632)]