76887440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 217890816

約数和(自身を除く): 141003376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 56, 62, 70, 80, 86, 103, 112, 124, 140, 155, 172, 206, 215, 217, 248, 280, 301, 310, 344, 412, 430, 434, 496, 515, 560, 602, 620, 688, 721, 824, 860, 868, 1030, 1085, 1204, 1240, 1333, 1442, 1505, 1648, 1720, 1736, 2060, 2170, 2408, 2480, 2666, 2884, 3010, 3193, 3440, 3472, 3605, 4120, 4340, 4429, 4816, 5332, 5768, 6020, 6386, 6665, 7210, 8240, 8680, 8858, 9331, 10664, 11536, 12040, 12772, 13330, 14420, 15965, 17360, 17716, 18662, 21328, 22145, 22351, 24080, 25544, 26660, 28840, 31003, 31930, 35432, 37324, 44290, 44702, 46655, 51088, 53320, 57680, 62006, 63860, 70864, 74648, 88580, 89404, 93310, 106640, 111755, 124012, 127720, 137299, 149296, 155015, 177160, 178808, 186620, 223510, 248024, 255440, 274598, 310030, 354320, 357616, 373240, 447020, 496048, 549196, 620060, 686495, 746480, 894040, 961093, 1098392, 1240120, 1372990, 1788080, 1922186, 2196784, 2480240, 2745980, 3844372, 4805465, 5491960, 7688744, 9610930, 10983920, 15377488, 19221860, 38443720, 76887440]

約数ペア:

[(1, 76887440), (2, 38443720), (4, 19221860), (5, 15377488), (7, 10983920), (8, 9610930), (10, 7688744), (14, 5491960), (16, 4805465), (20, 3844372), (28, 2745980), (31, 2480240), (35, 2196784), (40, 1922186), (43, 1788080), (56, 1372990), (62, 1240120), (70, 1098392), (80, 961093), (86, 894040), (103, 746480), (112, 686495), (124, 620060), (140, 549196), (155, 496048), (172, 447020), (206, 373240), (215, 357616), (217, 354320), (248, 310030), (280, 274598), (301, 255440), (310, 248024), (344, 223510), (412, 186620), (430, 178808), (434, 177160), (496, 155015), (515, 149296), (560, 137299), (602, 127720), (620, 124012), (688, 111755), (721, 106640), (824, 93310), (860, 89404), (868, 88580), (1030, 74648), (1085, 70864), (1204, 63860), (1240, 62006), (1333, 57680), (1442, 53320), (1505, 51088), (1648, 46655), (1720, 44702), (1736, 44290), (2060, 37324), (2170, 35432), (2408, 31930), (2480, 31003), (2666, 28840), (2884, 26660), (3010, 25544), (3193, 24080), (3440, 22351), (3472, 22145), (3605, 21328), (4120, 18662), (4340, 17716), (4429, 17360), (4816, 15965), (5332, 14420), (5768, 13330), (6020, 12772), (6386, 12040), (6665, 11536), (7210, 10664), (8240, 9331), (8680, 8858)]