1556222080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{617}}^1$

素因数の和:1206

約数の個数: 128

約数和(自身を含む): 4266276480

約数和(自身を除く): 2710054400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 563, 617, 640, 896, 1120, 1126, 1234, 2240, 2252, 2468, 2815, 3085, 3941, 4319, 4480, 4504, 4936, 5630, 6170, 7882, 8638, 9008, 9872, 11260, 12340, 15764, 17276, 18016, 19705, 19744, 21595, 22520, 24680, 31528, 34552, 36032, 39410, 39488, 43190, 45040, 49360, 63056, 69104, 72064, 78820, 78976, 86380, 90080, 98720, 126112, 138208, 157640, 172760, 180160, 197440, 252224, 276416, 315280, 345520, 347371, 360320, 394880, 504448, 552832, 630560, 691040, 694742, 1261120, 1382080, 1389484, 1736855, 2431597, 2522240, 2764160, 2778968, 3473710, 4863194, 5557936, 6947420, 9726388, 11115872, 12157985, 13894840, 19452776, 22231744, 24315970, 27789680, 38905552, 44463488, 48631940, 55579360, 77811104, 97263880, 111158720, 155622208, 194527760, 222317440, 311244416, 389055520, 778111040, 1556222080]

約数ペア:

[(1, 1556222080), (2, 778111040), (4, 389055520), (5, 311244416), (7, 222317440), (8, 194527760), (10, 155622208), (14, 111158720), (16, 97263880), (20, 77811104), (28, 55579360), (32, 48631940), (35, 44463488), (40, 38905552), (56, 27789680), (64, 24315970), (70, 22231744), (80, 19452776), (112, 13894840), (128, 12157985), (140, 11115872), (160, 9726388), (224, 6947420), (280, 5557936), (320, 4863194), (448, 3473710), (560, 2778968), (563, 2764160), (617, 2522240), (640, 2431597), (896, 1736855), (1120, 1389484), (1126, 1382080), (1234, 1261120), (2240, 694742), (2252, 691040), (2468, 630560), (2815, 552832), (3085, 504448), (3941, 394880), (4319, 360320), (4480, 347371), (4504, 345520), (4936, 315280), (5630, 276416), (6170, 252224), (7882, 197440), (8638, 180160), (9008, 172760), (9872, 157640), (11260, 138208), (12340, 126112), (15764, 98720), (17276, 90080), (18016, 86380), (19705, 78976), (19744, 78820), (21595, 72064), (22520, 69104), (24680, 63056), (31528, 49360), (34552, 45040), (36032, 43190), (39410, 39488)]