1223102080

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 128

約数和(自身を含む): 2999106000

約数和(自身を除く): 1776003920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 109, 128, 160, 178, 197, 218, 320, 356, 394, 436, 445, 545, 640, 712, 788, 872, 890, 985, 1090, 1424, 1576, 1744, 1780, 1970, 2180, 2848, 3152, 3488, 3560, 3940, 4360, 5696, 6304, 6976, 7120, 7880, 8720, 9701, 11392, 12608, 13952, 14240, 15760, 17440, 17533, 19402, 21473, 25216, 28480, 31520, 34880, 35066, 38804, 42946, 48505, 56960, 63040, 69760, 70132, 77608, 85892, 87665, 97010, 107365, 126080, 140264, 155216, 171784, 175330, 194020, 214730, 280528, 310432, 343568, 350660, 388040, 429460, 561056, 620864, 687136, 701320, 776080, 858920, 1122112, 1241728, 1374272, 1402640, 1552160, 1717840, 1911097, 2244224, 2748544, 2805280, 3104320, 3435680, 3822194, 5610560, 6208640, 6871360, 7644388, 9555485, 11221120, 13742720, 15288776, 19110970, 30577552, 38221940, 61155104, 76443880, 122310208, 152887760, 244620416, 305775520, 611551040, 1223102080]

約数ペア:

[(1, 1223102080), (2, 611551040), (4, 305775520), (5, 244620416), (8, 152887760), (10, 122310208), (16, 76443880), (20, 61155104), (32, 38221940), (40, 30577552), (64, 19110970), (80, 15288776), (89, 13742720), (109, 11221120), (128, 9555485), (160, 7644388), (178, 6871360), (197, 6208640), (218, 5610560), (320, 3822194), (356, 3435680), (394, 3104320), (436, 2805280), (445, 2748544), (545, 2244224), (640, 1911097), (712, 1717840), (788, 1552160), (872, 1402640), (890, 1374272), (985, 1241728), (1090, 1122112), (1424, 858920), (1576, 776080), (1744, 701320), (1780, 687136), (1970, 620864), (2180, 561056), (2848, 429460), (3152, 388040), (3488, 350660), (3560, 343568), (3940, 310432), (4360, 280528), (5696, 214730), (6304, 194020), (6976, 175330), (7120, 171784), (7880, 155216), (8720, 140264), (9701, 126080), (11392, 107365), (12608, 97010), (13952, 87665), (14240, 85892), (15760, 77608), (17440, 70132), (17533, 69760), (19402, 63040), (21473, 56960), (25216, 48505), (28480, 42946), (31520, 38804), (34880, 35066)]