78023820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 268240896

約数和(自身を除く): 190217076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 60, 69, 70, 82, 84, 92, 105, 115, 123, 138, 140, 161, 164, 197, 205, 210, 230, 246, 276, 287, 322, 345, 394, 410, 420, 460, 483, 492, 574, 591, 615, 644, 690, 788, 805, 820, 861, 943, 966, 985, 1148, 1182, 1230, 1379, 1380, 1435, 1610, 1722, 1886, 1932, 1970, 2364, 2415, 2460, 2758, 2829, 2870, 2955, 3220, 3444, 3772, 3940, 4137, 4305, 4531, 4715, 4830, 5516, 5658, 5740, 5910, 6601, 6895, 8077, 8274, 8610, 9062, 9430, 9660, 11316, 11820, 13202, 13593, 13790, 14145, 16154, 16548, 17220, 18124, 18860, 19803, 20685, 22655, 24231, 26404, 27186, 27580, 28290, 31717, 32308, 33005, 39606, 40385, 41370, 45310, 48462, 54372, 56539, 56580, 63434, 66010, 67965, 79212, 80770, 82740, 90620, 95151, 96924, 99015, 113078, 121155, 126868, 132020, 135930, 158585, 161540, 169617, 185771, 190302, 198030, 226156, 242310, 271860, 282695, 317170, 339234, 371542, 380604, 396060, 475755, 484620, 557313, 565390, 634340, 678468, 743084, 848085, 928855, 951510, 1114626, 1130780, 1300397, 1696170, 1857710, 1903020, 2229252, 2600794, 2786565, 3392340, 3715420, 3901191, 5201588, 5573130, 6501985, 7802382, 11146260, 13003970, 15604764, 19505955, 26007940, 39011910, 78023820]

約数ペア:

[(1, 78023820), (2, 39011910), (3, 26007940), (4, 19505955), (5, 15604764), (6, 13003970), (7, 11146260), (10, 7802382), (12, 6501985), (14, 5573130), (15, 5201588), (20, 3901191), (21, 3715420), (23, 3392340), (28, 2786565), (30, 2600794), (35, 2229252), (41, 1903020), (42, 1857710), (46, 1696170), (60, 1300397), (69, 1130780), (70, 1114626), (82, 951510), (84, 928855), (92, 848085), (105, 743084), (115, 678468), (123, 634340), (138, 565390), (140, 557313), (161, 484620), (164, 475755), (197, 396060), (205, 380604), (210, 371542), (230, 339234), (246, 317170), (276, 282695), (287, 271860), (322, 242310), (345, 226156), (394, 198030), (410, 190302), (420, 185771), (460, 169617), (483, 161540), (492, 158585), (574, 135930), (591, 132020), (615, 126868), (644, 121155), (690, 113078), (788, 99015), (805, 96924), (820, 95151), (861, 90620), (943, 82740), (966, 80770), (985, 79212), (1148, 67965), (1182, 66010), (1230, 63434), (1379, 56580), (1380, 56539), (1435, 54372), (1610, 48462), (1722, 45310), (1886, 41370), (1932, 40385), (1970, 39606), (2364, 33005), (2415, 32308), (2460, 31717), (2758, 28290), (2829, 27580), (2870, 27186), (2955, 26404), (3220, 24231), (3444, 22655), (3772, 20685), (3940, 19803), (4137, 18860), (4305, 18124), (4531, 17220), (4715, 16548), (4830, 16154), (5516, 14145), (5658, 13790), (5740, 13593), (5910, 13202), (6601, 11820), (6895, 11316), (8077, 9660), (8274, 9430), (8610, 9062)]