209759640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 656640000

約数和(自身を除く): 446880360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 113, 120, 124, 155, 186, 226, 248, 310, 339, 372, 452, 465, 499, 565, 620, 678, 744, 904, 930, 998, 1130, 1240, 1356, 1497, 1695, 1860, 1996, 2260, 2495, 2712, 2994, 3390, 3503, 3720, 3992, 4520, 4990, 5988, 6780, 7006, 7485, 9980, 10509, 11976, 13560, 14012, 14970, 15469, 17515, 19960, 21018, 28024, 29940, 30938, 35030, 42036, 46407, 52545, 56387, 59880, 61876, 70060, 77345, 84072, 92814, 105090, 112774, 123752, 140120, 154690, 169161, 185628, 210180, 225548, 232035, 281935, 309380, 338322, 371256, 420360, 451096, 464070, 563870, 618760, 676644, 845805, 928140, 1127740, 1353288, 1691610, 1747997, 1856280, 2255480, 3383220, 3495994, 5243991, 6766440, 6991988, 8739985, 10487982, 13983976, 17479970, 20975964, 26219955, 34959940, 41951928, 52439910, 69919880, 104879820, 209759640]

約数ペア:

[(1, 209759640), (2, 104879820), (3, 69919880), (4, 52439910), (5, 41951928), (6, 34959940), (8, 26219955), (10, 20975964), (12, 17479970), (15, 13983976), (20, 10487982), (24, 8739985), (30, 6991988), (31, 6766440), (40, 5243991), (60, 3495994), (62, 3383220), (93, 2255480), (113, 1856280), (120, 1747997), (124, 1691610), (155, 1353288), (186, 1127740), (226, 928140), (248, 845805), (310, 676644), (339, 618760), (372, 563870), (452, 464070), (465, 451096), (499, 420360), (565, 371256), (620, 338322), (678, 309380), (744, 281935), (904, 232035), (930, 225548), (998, 210180), (1130, 185628), (1240, 169161), (1356, 154690), (1497, 140120), (1695, 123752), (1860, 112774), (1996, 105090), (2260, 92814), (2495, 84072), (2712, 77345), (2994, 70060), (3390, 61876), (3503, 59880), (3720, 56387), (3992, 52545), (4520, 46407), (4990, 42036), (5988, 35030), (6780, 30938), (7006, 29940), (7485, 28024), (9980, 21018), (10509, 19960), (11976, 17515), (13560, 15469), (14012, 14970)]