68381820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 245887488

約数和(自身を除く): 177505668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 191, 195, 204, 221, 234, 255, 260, 270, 306, 324, 340, 351, 382, 390, 405, 442, 459, 468, 510, 540, 573, 585, 612, 663, 702, 764, 765, 780, 810, 884, 918, 955, 1020, 1053, 1105, 1146, 1170, 1326, 1377, 1404, 1530, 1620, 1719, 1755, 1836, 1910, 1989, 2106, 2210, 2292, 2295, 2340, 2483, 2652, 2754, 2865, 3060, 3247, 3315, 3438, 3510, 3820, 3978, 4212, 4420, 4590, 4966, 5157, 5265, 5508, 5730, 5967, 6494, 6630, 6876, 6885, 7020, 7449, 7956, 8595, 9180, 9741, 9932, 9945, 10314, 10530, 11460, 11934, 12415, 12988, 13260, 13770, 14898, 15471, 16235, 17190, 17901, 19482, 19890, 20628, 21060, 22347, 23868, 24830, 25785, 27540, 29223, 29796, 29835, 30942, 32470, 34380, 35802, 37245, 38964, 39780, 42211, 44694, 48705, 49660, 51570, 58446, 59670, 61884, 64940, 67041, 71604, 74490, 77355, 84422, 87669, 89388, 89505, 97410, 103140, 111735, 116892, 119340, 126633, 134082, 146115, 148980, 154710, 168844, 175338, 179010, 194820, 201123, 211055, 223470, 253266, 263007, 268164, 292230, 309420, 335205, 350676, 358020, 379899, 402246, 422110, 438345, 446940, 506532, 526014, 584460, 633165, 670410, 759798, 804492, 844220, 876690, 1005615, 1052028, 1139697, 1266330, 1315035, 1340820, 1519596, 1753380, 1899495, 2011230, 2279394, 2532660, 2630070, 3419091, 3798990, 4022460, 4558788, 5260140, 5698485, 6838182, 7597980, 11396970, 13676364, 17095455, 22793940, 34190910, 68381820]

約数ペア:

[(1, 68381820), (2, 34190910), (3, 22793940), (4, 17095455), (5, 13676364), (6, 11396970), (9, 7597980), (10, 6838182), (12, 5698485), (13, 5260140), (15, 4558788), (17, 4022460), (18, 3798990), (20, 3419091), (26, 2630070), (27, 2532660), (30, 2279394), (34, 2011230), (36, 1899495), (39, 1753380), (45, 1519596), (51, 1340820), (52, 1315035), (54, 1266330), (60, 1139697), (65, 1052028), (68, 1005615), (78, 876690), (81, 844220), (85, 804492), (90, 759798), (102, 670410), (108, 633165), (117, 584460), (130, 526014), (135, 506532), (153, 446940), (156, 438345), (162, 422110), (170, 402246), (180, 379899), (191, 358020), (195, 350676), (204, 335205), (221, 309420), (234, 292230), (255, 268164), (260, 263007), (270, 253266), (306, 223470), (324, 211055), (340, 201123), (351, 194820), (382, 179010), (390, 175338), (405, 168844), (442, 154710), (459, 148980), (468, 146115), (510, 134082), (540, 126633), (573, 119340), (585, 116892), (612, 111735), (663, 103140), (702, 97410), (764, 89505), (765, 89388), (780, 87669), (810, 84422), (884, 77355), (918, 74490), (955, 71604), (1020, 67041), (1053, 64940), (1105, 61884), (1146, 59670), (1170, 58446), (1326, 51570), (1377, 49660), (1404, 48705), (1530, 44694), (1620, 42211), (1719, 39780), (1755, 38964), (1836, 37245), (1910, 35802), (1989, 34380), (2106, 32470), (2210, 30942), (2292, 29835), (2295, 29796), (2340, 29223), (2483, 27540), (2652, 25785), (2754, 24830), (2865, 23868), (3060, 22347), (3247, 21060), (3315, 20628), (3438, 19890), (3510, 19482), (3820, 17901), (3978, 17190), (4212, 16235), (4420, 15471), (4590, 14898), (4966, 13770), (5157, 13260), (5265, 12988), (5508, 12415), (5730, 11934), (5967, 11460), (6494, 10530), (6630, 10314), (6876, 9945), (6885, 9932), (7020, 9741), (7449, 9180), (7956, 8595)]