80219940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 255467520

約数和(自身を除く): 175247580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 43, 51, 59, 60, 62, 68, 85, 86, 93, 102, 118, 124, 129, 155, 170, 172, 177, 186, 204, 215, 236, 255, 258, 295, 310, 340, 354, 372, 430, 465, 510, 516, 527, 590, 620, 645, 708, 731, 860, 885, 930, 1003, 1020, 1054, 1180, 1290, 1333, 1462, 1581, 1770, 1829, 1860, 2006, 2108, 2193, 2537, 2580, 2635, 2666, 2924, 3009, 3162, 3540, 3655, 3658, 3999, 4012, 4386, 5015, 5074, 5270, 5332, 5487, 6018, 6324, 6665, 7310, 7316, 7611, 7905, 7998, 8772, 9145, 10030, 10148, 10540, 10965, 10974, 12036, 12685, 13330, 14620, 15045, 15222, 15810, 15996, 18290, 19995, 20060, 21930, 21948, 22661, 25370, 26660, 27435, 30090, 30444, 31093, 31620, 36580, 38055, 39990, 43129, 43860, 45322, 50740, 54870, 60180, 62186, 67983, 76110, 78647, 79980, 86258, 90644, 93279, 109740, 113305, 124372, 129387, 135966, 152220, 155465, 157294, 172516, 186558, 215645, 226610, 235941, 258774, 271932, 310930, 314588, 339915, 373116, 393235, 431290, 453220, 466395, 471882, 517548, 621860, 646935, 679830, 786470, 862580, 932790, 943764, 1179705, 1293870, 1336999, 1359660, 1572940, 1865580, 2359410, 2587740, 2673998, 4010997, 4718820, 5347996, 6684995, 8021994, 13369990, 16043988, 20054985, 26739980, 40109970, 80219940]

約数ペア:

[(1, 80219940), (2, 40109970), (3, 26739980), (4, 20054985), (5, 16043988), (6, 13369990), (10, 8021994), (12, 6684995), (15, 5347996), (17, 4718820), (20, 4010997), (30, 2673998), (31, 2587740), (34, 2359410), (43, 1865580), (51, 1572940), (59, 1359660), (60, 1336999), (62, 1293870), (68, 1179705), (85, 943764), (86, 932790), (93, 862580), (102, 786470), (118, 679830), (124, 646935), (129, 621860), (155, 517548), (170, 471882), (172, 466395), (177, 453220), (186, 431290), (204, 393235), (215, 373116), (236, 339915), (255, 314588), (258, 310930), (295, 271932), (310, 258774), (340, 235941), (354, 226610), (372, 215645), (430, 186558), (465, 172516), (510, 157294), (516, 155465), (527, 152220), (590, 135966), (620, 129387), (645, 124372), (708, 113305), (731, 109740), (860, 93279), (885, 90644), (930, 86258), (1003, 79980), (1020, 78647), (1054, 76110), (1180, 67983), (1290, 62186), (1333, 60180), (1462, 54870), (1581, 50740), (1770, 45322), (1829, 43860), (1860, 43129), (2006, 39990), (2108, 38055), (2193, 36580), (2537, 31620), (2580, 31093), (2635, 30444), (2666, 30090), (2924, 27435), (3009, 26660), (3162, 25370), (3540, 22661), (3655, 21948), (3658, 21930), (3999, 20060), (4012, 19995), (4386, 18290), (5015, 15996), (5074, 15810), (5270, 15222), (5332, 15045), (5487, 14620), (6018, 13330), (6324, 12685), (6665, 12036), (7310, 10974), (7316, 10965), (7611, 10540), (7905, 10148), (7998, 10030), (8772, 9145)]