55123040

素因数分解:

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

素因数の和:197

約数の個数: 144

約数和(自身を含む): 155131200

約数和(自身を除く): 100008160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 89, 98, 112, 140, 158, 160, 178, 196, 224, 245, 280, 316, 356, 392, 395, 445, 490, 553, 560, 623, 632, 712, 784, 790, 890, 980, 1106, 1120, 1246, 1264, 1424, 1568, 1580, 1780, 1960, 2212, 2492, 2528, 2765, 2848, 3115, 3160, 3560, 3871, 3920, 4361, 4424, 4984, 5530, 6230, 6320, 7031, 7120, 7742, 7840, 8722, 8848, 9968, 11060, 12460, 12640, 14062, 14240, 15484, 17444, 17696, 19355, 19936, 21805, 22120, 24920, 28124, 30968, 34888, 35155, 38710, 43610, 44240, 49217, 49840, 56248, 61936, 69776, 70310, 77420, 87220, 88480, 98434, 99680, 112496, 123872, 139552, 140620, 154840, 174440, 196868, 224992, 246085, 281240, 309680, 344519, 348880, 393736, 492170, 562480, 619360, 689038, 697760, 787472, 984340, 1124960, 1378076, 1574944, 1722595, 1968680, 2756152, 3445190, 3937360, 5512304, 6890380, 7874720, 11024608, 13780760, 27561520, 55123040]

約数ペア:

[(1, 55123040), (2, 27561520), (4, 13780760), (5, 11024608), (7, 7874720), (8, 6890380), (10, 5512304), (14, 3937360), (16, 3445190), (20, 2756152), (28, 1968680), (32, 1722595), (35, 1574944), (40, 1378076), (49, 1124960), (56, 984340), (70, 787472), (79, 697760), (80, 689038), (89, 619360), (98, 562480), (112, 492170), (140, 393736), (158, 348880), (160, 344519), (178, 309680), (196, 281240), (224, 246085), (245, 224992), (280, 196868), (316, 174440), (356, 154840), (392, 140620), (395, 139552), (445, 123872), (490, 112496), (553, 99680), (560, 98434), (623, 88480), (632, 87220), (712, 77420), (784, 70310), (790, 69776), (890, 61936), (980, 56248), (1106, 49840), (1120, 49217), (1246, 44240), (1264, 43610), (1424, 38710), (1568, 35155), (1580, 34888), (1780, 30968), (1960, 28124), (2212, 24920), (2492, 22120), (2528, 21805), (2765, 19936), (2848, 19355), (3115, 17696), (3160, 17444), (3560, 15484), (3871, 14240), (3920, 14062), (4361, 12640), (4424, 12460), (4984, 11060), (5530, 9968), (6230, 8848), (6320, 8722), (7031, 7840), (7120, 7742)]