67181940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2539}}^1$

素因数の和:2571

約数の個数: 144

約数和(自身を含む): 243230400

約数和(自身を除く): 176048460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2539, 2646, 2940, 3780, 4410, 5078, 5292, 6615, 7617, 8820, 10156, 12695, 13230, 15234, 17773, 22851, 25390, 26460, 30468, 35546, 38085, 45702, 50780, 53319, 68553, 71092, 76170, 88865, 91404, 106638, 114255, 124411, 137106, 152340, 159957, 177730, 213276, 228510, 248822, 266595, 274212, 319914, 342765, 355460, 373233, 457020, 479871, 497644, 533190, 622055, 639828, 685530, 746466, 799785, 959742, 1066380, 1119699, 1244110, 1371060, 1492932, 1599570, 1866165, 1919484, 2239398, 2399355, 2488220, 3199140, 3359097, 3732330, 4478796, 4798710, 5598495, 6718194, 7464660, 9597420, 11196990, 13436388, 16795485, 22393980, 33590970, 67181940]

約数ペア:

[(1, 67181940), (2, 33590970), (3, 22393980), (4, 16795485), (5, 13436388), (6, 11196990), (7, 9597420), (9, 7464660), (10, 6718194), (12, 5598495), (14, 4798710), (15, 4478796), (18, 3732330), (20, 3359097), (21, 3199140), (27, 2488220), (28, 2399355), (30, 2239398), (35, 1919484), (36, 1866165), (42, 1599570), (45, 1492932), (49, 1371060), (54, 1244110), (60, 1119699), (63, 1066380), (70, 959742), (84, 799785), (90, 746466), (98, 685530), (105, 639828), (108, 622055), (126, 533190), (135, 497644), (140, 479871), (147, 457020), (180, 373233), (189, 355460), (196, 342765), (210, 319914), (245, 274212), (252, 266595), (270, 248822), (294, 228510), (315, 213276), (378, 177730), (420, 159957), (441, 152340), (490, 137106), (540, 124411), (588, 114255), (630, 106638), (735, 91404), (756, 88865), (882, 76170), (945, 71092), (980, 68553), (1260, 53319), (1323, 50780), (1470, 45702), (1764, 38085), (1890, 35546), (2205, 30468), (2539, 26460), (2646, 25390), (2940, 22851), (3780, 17773), (4410, 15234), (5078, 13230), (5292, 12695), (6615, 10156), (7617, 8820)]