647230680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21661}}^1$

素因数の和:21761

約数の個数: 96

約数和(自身を含む): 2128941360

約数和(自身を除く): 1481710680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 747, 830, 996, 1245, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 4980, 5976, 7470, 9960, 14940, 21661, 29880, 43322, 64983, 86644, 108305, 129966, 173288, 194949, 216610, 259932, 324915, 389898, 433220, 519864, 649830, 779796, 866440, 974745, 1299660, 1559592, 1797863, 1949490, 2599320, 3595726, 3898980, 5393589, 7191452, 7797960, 8989315, 10787178, 14382904, 16180767, 17978630, 21574356, 26967945, 32361534, 35957260, 43148712, 53935890, 64723068, 71914520, 80903835, 107871780, 129446136, 161807670, 215743560, 323615340, 647230680]

約数ペア:

[(1, 647230680), (2, 323615340), (3, 215743560), (4, 161807670), (5, 129446136), (6, 107871780), (8, 80903835), (9, 71914520), (10, 64723068), (12, 53935890), (15, 43148712), (18, 35957260), (20, 32361534), (24, 26967945), (30, 21574356), (36, 17978630), (40, 16180767), (45, 14382904), (60, 10787178), (72, 8989315), (83, 7797960), (90, 7191452), (120, 5393589), (166, 3898980), (180, 3595726), (249, 2599320), (332, 1949490), (360, 1797863), (415, 1559592), (498, 1299660), (664, 974745), (747, 866440), (830, 779796), (996, 649830), (1245, 519864), (1494, 433220), (1660, 389898), (1992, 324915), (2490, 259932), (2988, 216610), (3320, 194949), (3735, 173288), (4980, 129966), (5976, 108305), (7470, 86644), (9960, 64983), (14940, 43322), (21661, 29880)]