1720724220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2903}}^1$

素因数の和:3044

約数の個数: 144

約数和(自身を含む): 5422697280

約数和(自身を除く): 3701973060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 89, 90, 111, 148, 178, 180, 185, 222, 267, 333, 356, 370, 444, 445, 534, 555, 666, 740, 801, 890, 1068, 1110, 1332, 1335, 1602, 1665, 1780, 2220, 2670, 2903, 3204, 3293, 3330, 4005, 5340, 5806, 6586, 6660, 8010, 8709, 9879, 11612, 13172, 14515, 16020, 16465, 17418, 19758, 26127, 29030, 29637, 32930, 34836, 39516, 43545, 49395, 52254, 58060, 59274, 65860, 87090, 98790, 104508, 107411, 118548, 130635, 148185, 174180, 197580, 214822, 258367, 261270, 296370, 322233, 429644, 516734, 522540, 537055, 592740, 644466, 775101, 966699, 1033468, 1074110, 1288932, 1291835, 1550202, 1611165, 1933398, 2148220, 2325303, 2583670, 3100404, 3222330, 3866796, 3875505, 4650606, 4833495, 5167340, 6444660, 7751010, 9301212, 9559579, 9666990, 11626515, 15502020, 19119158, 19333980, 23253030, 28678737, 38238316, 46506060, 47797895, 57357474, 86036211, 95595790, 114714948, 143393685, 172072422, 191191580, 286787370, 344144844, 430181055, 573574740, 860362110, 1720724220]

約数ペア:

[(1, 1720724220), (2, 860362110), (3, 573574740), (4, 430181055), (5, 344144844), (6, 286787370), (9, 191191580), (10, 172072422), (12, 143393685), (15, 114714948), (18, 95595790), (20, 86036211), (30, 57357474), (36, 47797895), (37, 46506060), (45, 38238316), (60, 28678737), (74, 23253030), (89, 19333980), (90, 19119158), (111, 15502020), (148, 11626515), (178, 9666990), (180, 9559579), (185, 9301212), (222, 7751010), (267, 6444660), (333, 5167340), (356, 4833495), (370, 4650606), (444, 3875505), (445, 3866796), (534, 3222330), (555, 3100404), (666, 2583670), (740, 2325303), (801, 2148220), (890, 1933398), (1068, 1611165), (1110, 1550202), (1332, 1291835), (1335, 1288932), (1602, 1074110), (1665, 1033468), (1780, 966699), (2220, 775101), (2670, 644466), (2903, 592740), (3204, 537055), (3293, 522540), (3330, 516734), (4005, 429644), (5340, 322233), (5806, 296370), (6586, 261270), (6660, 258367), (8010, 214822), (8709, 197580), (9879, 174180), (11612, 148185), (13172, 130635), (14515, 118548), (16020, 107411), (16465, 104508), (17418, 98790), (19758, 87090), (26127, 65860), (29030, 59274), (29637, 58060), (32930, 52254), (34836, 49395), (39516, 43545)]