2620806720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{390001}}^1$

素因数の和:390028

約数の個数: 112

約数和(自身を含む): 9509808768

約数和(自身を除く): 6889002048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 390001, 780002, 1170003, 1560004, 1950005, 2340006, 2730007, 3120008, 3900010, 4680012, 5460014, 5850015, 6240016, 7800020, 8190021, 9360024, 10920028, 11700030, 12480032, 13650035, 15600040, 16380042, 18720048, 21840056, 23400060, 24960064, 27300070, 31200080, 32760084, 37440096, 40950105, 43680112, 46800120, 54600140, 62400160, 65520168, 74880192, 81900210, 87360224, 93600240, 109200280, 124800320, 131040336, 163800420, 174720448, 187200480, 218400560, 262080672, 327600840, 374400960, 436801120, 524161344, 655201680, 873602240, 1310403360, 2620806720]

約数ペア:

[(1, 2620806720), (2, 1310403360), (3, 873602240), (4, 655201680), (5, 524161344), (6, 436801120), (7, 374400960), (8, 327600840), (10, 262080672), (12, 218400560), (14, 187200480), (15, 174720448), (16, 163800420), (20, 131040336), (21, 124800320), (24, 109200280), (28, 93600240), (30, 87360224), (32, 81900210), (35, 74880192), (40, 65520168), (42, 62400160), (48, 54600140), (56, 46800120), (60, 43680112), (64, 40950105), (70, 37440096), (80, 32760084), (84, 31200080), (96, 27300070), (105, 24960064), (112, 23400060), (120, 21840056), (140, 18720048), (160, 16380042), (168, 15600040), (192, 13650035), (210, 12480032), (224, 11700030), (240, 10920028), (280, 9360024), (320, 8190021), (336, 7800020), (420, 6240016), (448, 5850015), (480, 5460014), (560, 4680012), (672, 3900010), (840, 3120008), (960, 2730007), (1120, 2340006), (1344, 1950005), (1680, 1560004), (2240, 1170003), (3360, 780002), (6720, 390001)]