27561520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 76334400

約数和(自身を除く): 48772880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 89, 98, 112, 140, 158, 178, 196, 245, 280, 316, 356, 392, 395, 445, 490, 553, 560, 623, 632, 712, 784, 790, 890, 980, 1106, 1246, 1264, 1424, 1580, 1780, 1960, 2212, 2492, 2765, 3115, 3160, 3560, 3871, 3920, 4361, 4424, 4984, 5530, 6230, 6320, 7031, 7120, 7742, 8722, 8848, 9968, 11060, 12460, 14062, 15484, 17444, 19355, 21805, 22120, 24920, 28124, 30968, 34888, 35155, 38710, 43610, 44240, 49217, 49840, 56248, 61936, 69776, 70310, 77420, 87220, 98434, 112496, 140620, 154840, 174440, 196868, 246085, 281240, 309680, 344519, 348880, 393736, 492170, 562480, 689038, 787472, 984340, 1378076, 1722595, 1968680, 2756152, 3445190, 3937360, 5512304, 6890380, 13780760, 27561520]

約数ペア:

[(1, 27561520), (2, 13780760), (4, 6890380), (5, 5512304), (7, 3937360), (8, 3445190), (10, 2756152), (14, 1968680), (16, 1722595), (20, 1378076), (28, 984340), (35, 787472), (40, 689038), (49, 562480), (56, 492170), (70, 393736), (79, 348880), (80, 344519), (89, 309680), (98, 281240), (112, 246085), (140, 196868), (158, 174440), (178, 154840), (196, 140620), (245, 112496), (280, 98434), (316, 87220), (356, 77420), (392, 70310), (395, 69776), (445, 61936), (490, 56248), (553, 49840), (560, 49217), (623, 44240), (632, 43610), (712, 38710), (784, 35155), (790, 34888), (890, 30968), (980, 28124), (1106, 24920), (1246, 22120), (1264, 21805), (1424, 19355), (1580, 17444), (1780, 15484), (1960, 14062), (2212, 12460), (2492, 11060), (2765, 9968), (3115, 8848), (3160, 8722), (3560, 7742), (3871, 7120), (3920, 7031), (4361, 6320), (4424, 6230), (4984, 5530)]