161974980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1306

約数の個数: 144

約数和(自身を含む): 532756224

約数和(自身を除く): 370781244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1231, 1290, 1462, 1530, 1548, 1935, 2193, 2462, 2580, 2924, 3060, 3655, 3693, 3870, 4386, 4924, 6155, 6579, 7310, 7386, 7740, 8772, 10965, 11079, 12310, 13158, 14620, 14772, 18465, 20927, 21930, 22158, 24620, 26316, 32895, 36930, 41854, 43860, 44316, 52933, 55395, 62781, 65790, 73860, 83708, 104635, 105866, 110790, 125562, 131580, 158799, 188343, 209270, 211732, 221580, 251124, 264665, 313905, 317598, 376686, 418540, 476397, 529330, 627810, 635196, 753372, 793995, 899861, 941715, 952794, 1058660, 1255620, 1587990, 1799722, 1883430, 1905588, 2381985, 2699583, 3175980, 3599444, 3766860, 4499305, 4763970, 5399166, 8098749, 8998610, 9527940, 10798332, 13497915, 16197498, 17997220, 26995830, 32394996, 40493745, 53991660, 80987490, 161974980]

約数ペア:

[(1, 161974980), (2, 80987490), (3, 53991660), (4, 40493745), (5, 32394996), (6, 26995830), (9, 17997220), (10, 16197498), (12, 13497915), (15, 10798332), (17, 9527940), (18, 8998610), (20, 8098749), (30, 5399166), (34, 4763970), (36, 4499305), (43, 3766860), (45, 3599444), (51, 3175980), (60, 2699583), (68, 2381985), (85, 1905588), (86, 1883430), (90, 1799722), (102, 1587990), (129, 1255620), (153, 1058660), (170, 952794), (172, 941715), (180, 899861), (204, 793995), (215, 753372), (255, 635196), (258, 627810), (306, 529330), (340, 476397), (387, 418540), (430, 376686), (510, 317598), (516, 313905), (612, 264665), (645, 251124), (731, 221580), (765, 211732), (774, 209270), (860, 188343), (1020, 158799), (1231, 131580), (1290, 125562), (1462, 110790), (1530, 105866), (1548, 104635), (1935, 83708), (2193, 73860), (2462, 65790), (2580, 62781), (2924, 55395), (3060, 52933), (3655, 44316), (3693, 43860), (3870, 41854), (4386, 36930), (4924, 32895), (6155, 26316), (6579, 24620), (7310, 22158), (7386, 21930), (7740, 20927), (8772, 18465), (10965, 14772), (11079, 14620), (12310, 13158)]