908756820

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:581

約数の個数: 168

約数和(自身を含む): 2886752904

約数和(自身を除く): 1977996084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 157, 162, 180, 243, 270, 314, 324, 397, 405, 471, 486, 540, 628, 729, 785, 794, 810, 942, 972, 1191, 1215, 1413, 1458, 1570, 1588, 1620, 1884, 1985, 2355, 2382, 2430, 2826, 2916, 3140, 3573, 3645, 3970, 4239, 4710, 4764, 4860, 5652, 5955, 7065, 7146, 7290, 7940, 8478, 9420, 10719, 11910, 12717, 14130, 14292, 14580, 16956, 17865, 21195, 21438, 23820, 25434, 28260, 32157, 35730, 38151, 42390, 42876, 50868, 53595, 62329, 63585, 64314, 71460, 76302, 84780, 96471, 107190, 114453, 124658, 127170, 128628, 152604, 160785, 186987, 190755, 192942, 214380, 228906, 249316, 254340, 289413, 311645, 321570, 373974, 381510, 385884, 457812, 482355, 560961, 572265, 578826, 623290, 643140, 747948, 763020, 934935, 964710, 1121922, 1144530, 1157652, 1246580, 1447065, 1682883, 1869870, 1929420, 2243844, 2289060, 2804805, 2894130, 3365766, 3739740, 5048649, 5609610, 5788260, 6731532, 8414415, 10097298, 11219220, 15145947, 16828830, 20194596, 25243245, 30291894, 33657660, 45437841, 50486490, 60583788, 75729735, 90875682, 100972980, 151459470, 181751364, 227189205, 302918940, 454378410, 908756820]

約数ペア:

[(1, 908756820), (2, 454378410), (3, 302918940), (4, 227189205), (5, 181751364), (6, 151459470), (9, 100972980), (10, 90875682), (12, 75729735), (15, 60583788), (18, 50486490), (20, 45437841), (27, 33657660), (30, 30291894), (36, 25243245), (45, 20194596), (54, 16828830), (60, 15145947), (81, 11219220), (90, 10097298), (108, 8414415), (135, 6731532), (157, 5788260), (162, 5609610), (180, 5048649), (243, 3739740), (270, 3365766), (314, 2894130), (324, 2804805), (397, 2289060), (405, 2243844), (471, 1929420), (486, 1869870), (540, 1682883), (628, 1447065), (729, 1246580), (785, 1157652), (794, 1144530), (810, 1121922), (942, 964710), (972, 934935), (1191, 763020), (1215, 747948), (1413, 643140), (1458, 623290), (1570, 578826), (1588, 572265), (1620, 560961), (1884, 482355), (1985, 457812), (2355, 385884), (2382, 381510), (2430, 373974), (2826, 321570), (2916, 311645), (3140, 289413), (3573, 254340), (3645, 249316), (3970, 228906), (4239, 214380), (4710, 192942), (4764, 190755), (4860, 186987), (5652, 160785), (5955, 152604), (7065, 128628), (7146, 127170), (7290, 124658), (7940, 114453), (8478, 107190), (9420, 96471), (10719, 84780), (11910, 76302), (12717, 71460), (14130, 64314), (14292, 63585), (14580, 62329), (16956, 53595), (17865, 50868), (21195, 42876), (21438, 42390), (23820, 38151), (25434, 35730), (28260, 32157)]