80537940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1622

約数の個数: 144

約数和(自身を含む): 286191360

約数和(自身を除く): 205653420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1559, 1722, 1845, 2460, 2583, 2870, 3118, 3444, 3690, 4305, 4677, 5166, 5740, 6236, 7380, 7795, 8610, 9354, 10332, 10913, 12915, 14031, 15590, 17220, 18708, 21826, 23385, 25830, 28062, 31180, 32739, 43652, 46770, 51660, 54565, 56124, 63919, 65478, 70155, 93540, 98217, 109130, 127838, 130956, 140310, 163695, 191757, 196434, 218260, 255676, 280620, 319595, 327390, 383514, 392868, 447433, 491085, 575271, 639190, 654780, 767028, 894866, 958785, 982170, 1150542, 1278380, 1342299, 1789732, 1917570, 1964340, 2237165, 2301084, 2684598, 2876355, 3835140, 4026897, 4474330, 5369196, 5752710, 6711495, 8053794, 8948660, 11505420, 13422990, 16107588, 20134485, 26845980, 40268970, 80537940]

約数ペア:

[(1, 80537940), (2, 40268970), (3, 26845980), (4, 20134485), (5, 16107588), (6, 13422990), (7, 11505420), (9, 8948660), (10, 8053794), (12, 6711495), (14, 5752710), (15, 5369196), (18, 4474330), (20, 4026897), (21, 3835140), (28, 2876355), (30, 2684598), (35, 2301084), (36, 2237165), (41, 1964340), (42, 1917570), (45, 1789732), (60, 1342299), (63, 1278380), (70, 1150542), (82, 982170), (84, 958785), (90, 894866), (105, 767028), (123, 654780), (126, 639190), (140, 575271), (164, 491085), (180, 447433), (205, 392868), (210, 383514), (246, 327390), (252, 319595), (287, 280620), (315, 255676), (369, 218260), (410, 196434), (420, 191757), (492, 163695), (574, 140310), (615, 130956), (630, 127838), (738, 109130), (820, 98217), (861, 93540), (1148, 70155), (1230, 65478), (1260, 63919), (1435, 56124), (1476, 54565), (1559, 51660), (1722, 46770), (1845, 43652), (2460, 32739), (2583, 31180), (2870, 28062), (3118, 25830), (3444, 23385), (3690, 21826), (4305, 18708), (4677, 17220), (5166, 15590), (5740, 14031), (6236, 12915), (7380, 10913), (7795, 10332), (8610, 9354)]