28226640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 96243840

約数和(自身を除く): 68017200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 83, 104, 109, 120, 130, 156, 166, 195, 208, 218, 240, 249, 260, 312, 327, 332, 390, 415, 436, 498, 520, 545, 624, 654, 664, 780, 830, 872, 996, 1040, 1079, 1090, 1245, 1308, 1328, 1417, 1560, 1635, 1660, 1744, 1992, 2158, 2180, 2490, 2616, 2834, 3120, 3237, 3270, 3320, 3984, 4251, 4316, 4360, 4980, 5232, 5395, 5668, 6474, 6540, 6640, 7085, 8502, 8632, 8720, 9047, 9960, 10790, 11336, 12948, 13080, 14170, 16185, 17004, 17264, 18094, 19920, 21255, 21580, 22672, 25896, 26160, 27141, 28340, 32370, 34008, 36188, 42510, 43160, 45235, 51792, 54282, 56680, 64740, 68016, 72376, 85020, 86320, 90470, 108564, 113360, 117611, 129480, 135705, 144752, 170040, 180940, 217128, 235222, 258960, 271410, 340080, 352833, 361880, 434256, 470444, 542820, 588055, 705666, 723760, 940888, 1085640, 1176110, 1411332, 1764165, 1881776, 2171280, 2352220, 2822664, 3528330, 4704440, 5645328, 7056660, 9408880, 14113320, 28226640]

約数ペア:

[(1, 28226640), (2, 14113320), (3, 9408880), (4, 7056660), (5, 5645328), (6, 4704440), (8, 3528330), (10, 2822664), (12, 2352220), (13, 2171280), (15, 1881776), (16, 1764165), (20, 1411332), (24, 1176110), (26, 1085640), (30, 940888), (39, 723760), (40, 705666), (48, 588055), (52, 542820), (60, 470444), (65, 434256), (78, 361880), (80, 352833), (83, 340080), (104, 271410), (109, 258960), (120, 235222), (130, 217128), (156, 180940), (166, 170040), (195, 144752), (208, 135705), (218, 129480), (240, 117611), (249, 113360), (260, 108564), (312, 90470), (327, 86320), (332, 85020), (390, 72376), (415, 68016), (436, 64740), (498, 56680), (520, 54282), (545, 51792), (624, 45235), (654, 43160), (664, 42510), (780, 36188), (830, 34008), (872, 32370), (996, 28340), (1040, 27141), (1079, 26160), (1090, 25896), (1245, 22672), (1308, 21580), (1328, 21255), (1417, 19920), (1560, 18094), (1635, 17264), (1660, 17004), (1744, 16185), (1992, 14170), (2158, 13080), (2180, 12948), (2490, 11336), (2616, 10790), (2834, 9960), (3120, 9047), (3237, 8720), (3270, 8632), (3320, 8502), (3984, 7085), (4251, 6640), (4316, 6540), (4360, 6474), (4980, 5668), (5232, 5395)]