991775680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3329}}^1$

素因数の和:3379

約数の個数: 168

約数和(自身を含む): 2892704400

約数和(自身を除く): 1900928720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 320, 380, 392, 448, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1216, 1330, 1520, 1568, 1862, 1960, 2128, 2240, 2660, 3040, 3136, 3329, 3724, 3920, 4256, 4655, 5320, 6080, 6658, 7448, 7840, 8512, 9310, 10640, 13316, 14896, 15680, 16645, 18620, 21280, 23303, 26632, 29792, 33290, 37240, 42560, 46606, 53264, 59584, 63251, 66580, 74480, 93212, 106528, 116515, 126502, 133160, 148960, 163121, 186424, 213056, 233030, 253004, 266320, 297920, 316255, 326242, 372848, 442757, 466060, 506008, 532640, 632510, 652484, 745696, 815605, 885514, 932120, 1012016, 1065280, 1265020, 1304968, 1491392, 1631210, 1771028, 1864240, 2024032, 2213785, 2530040, 2609936, 3099299, 3262420, 3542056, 3728480, 4048064, 4427570, 5060080, 5219872, 6198598, 6524840, 7084112, 7456960, 8855140, 10120160, 10439744, 12397196, 13049680, 14168224, 15496495, 17710280, 20240320, 24794392, 26099360, 28336448, 30992990, 35420560, 49588784, 52198720, 61985980, 70841120, 99177568, 123971960, 141682240, 198355136, 247943920, 495887840, 991775680]

約数ペア:

[(1, 991775680), (2, 495887840), (4, 247943920), (5, 198355136), (7, 141682240), (8, 123971960), (10, 99177568), (14, 70841120), (16, 61985980), (19, 52198720), (20, 49588784), (28, 35420560), (32, 30992990), (35, 28336448), (38, 26099360), (40, 24794392), (49, 20240320), (56, 17710280), (64, 15496495), (70, 14168224), (76, 13049680), (80, 12397196), (95, 10439744), (98, 10120160), (112, 8855140), (133, 7456960), (140, 7084112), (152, 6524840), (160, 6198598), (190, 5219872), (196, 5060080), (224, 4427570), (245, 4048064), (266, 3728480), (280, 3542056), (304, 3262420), (320, 3099299), (380, 2609936), (392, 2530040), (448, 2213785), (490, 2024032), (532, 1864240), (560, 1771028), (608, 1631210), (665, 1491392), (760, 1304968), (784, 1265020), (931, 1065280), (980, 1012016), (1064, 932120), (1120, 885514), (1216, 815605), (1330, 745696), (1520, 652484), (1568, 632510), (1862, 532640), (1960, 506008), (2128, 466060), (2240, 442757), (2660, 372848), (3040, 326242), (3136, 316255), (3329, 297920), (3724, 266320), (3920, 253004), (4256, 233030), (4655, 213056), (5320, 186424), (6080, 163121), (6658, 148960), (7448, 133160), (7840, 126502), (8512, 116515), (9310, 106528), (10640, 93212), (13316, 74480), (14896, 66580), (15680, 63251), (16645, 59584), (18620, 53264), (21280, 46606), (23303, 42560), (26632, 37240), (29792, 33290)]