689053860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1915

約数の個数: 216

約数和(自身を含む): 2433864888

約数和(自身を除く): 1744811028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 121, 132, 153, 165, 170, 180, 187, 198, 204, 220, 242, 255, 306, 330, 340, 363, 374, 396, 484, 495, 510, 561, 605, 612, 660, 726, 748, 765, 935, 990, 1020, 1089, 1122, 1210, 1452, 1530, 1683, 1815, 1861, 1870, 1980, 2057, 2178, 2244, 2420, 2805, 3060, 3366, 3630, 3722, 3740, 4114, 4356, 5445, 5583, 5610, 6171, 6732, 7260, 7444, 8228, 8415, 9305, 10285, 10890, 11166, 11220, 12342, 16749, 16830, 18513, 18610, 20471, 20570, 21780, 22332, 24684, 27915, 30855, 31637, 33498, 33660, 37026, 37220, 40942, 41140, 55830, 61413, 61710, 63274, 66996, 74052, 81884, 83745, 92565, 94911, 102355, 111660, 122826, 123420, 126548, 158185, 167490, 184239, 185130, 189822, 204710, 225181, 245652, 284733, 307065, 316370, 334980, 348007, 368478, 370260, 379644, 409420, 450362, 474555, 569466, 614130, 632740, 675543, 696014, 736956, 900724, 921195, 949110, 1044021, 1125905, 1138932, 1228260, 1351086, 1392028, 1423665, 1740035, 1842390, 1898220, 2026629, 2088042, 2251810, 2702172, 2847330, 3132063, 3377715, 3480070, 3684780, 3828077, 4053258, 4176084, 4503620, 5220105, 5694660, 6264126, 6755430, 6960140, 7656154, 8106516, 10133145, 10440210, 11484231, 12528252, 13510860, 15312308, 15660315, 19140385, 20266290, 20880420, 22968462, 31320630, 34452693, 38280770, 40532580, 45936924, 57421155, 62641260, 68905386, 76561540, 114842310, 137810772, 172263465, 229684620, 344526930, 689053860]

約数ペア:

[(1, 689053860), (2, 344526930), (3, 229684620), (4, 172263465), (5, 137810772), (6, 114842310), (9, 76561540), (10, 68905386), (11, 62641260), (12, 57421155), (15, 45936924), (17, 40532580), (18, 38280770), (20, 34452693), (22, 31320630), (30, 22968462), (33, 20880420), (34, 20266290), (36, 19140385), (44, 15660315), (45, 15312308), (51, 13510860), (55, 12528252), (60, 11484231), (66, 10440210), (68, 10133145), (85, 8106516), (90, 7656154), (99, 6960140), (102, 6755430), (110, 6264126), (121, 5694660), (132, 5220105), (153, 4503620), (165, 4176084), (170, 4053258), (180, 3828077), (187, 3684780), (198, 3480070), (204, 3377715), (220, 3132063), (242, 2847330), (255, 2702172), (306, 2251810), (330, 2088042), (340, 2026629), (363, 1898220), (374, 1842390), (396, 1740035), (484, 1423665), (495, 1392028), (510, 1351086), (561, 1228260), (605, 1138932), (612, 1125905), (660, 1044021), (726, 949110), (748, 921195), (765, 900724), (935, 736956), (990, 696014), (1020, 675543), (1089, 632740), (1122, 614130), (1210, 569466), (1452, 474555), (1530, 450362), (1683, 409420), (1815, 379644), (1861, 370260), (1870, 368478), (1980, 348007), (2057, 334980), (2178, 316370), (2244, 307065), (2420, 284733), (2805, 245652), (3060, 225181), (3366, 204710), (3630, 189822), (3722, 185130), (3740, 184239), (4114, 167490), (4356, 158185), (5445, 126548), (5583, 123420), (5610, 122826), (6171, 111660), (6732, 102355), (7260, 94911), (7444, 92565), (8228, 83745), (8415, 81884), (9305, 74052), (10285, 66996), (10890, 63274), (11166, 61710), (11220, 61413), (12342, 55830), (16749, 41140), (16830, 40942), (18513, 37220), (18610, 37026), (20471, 33660), (20570, 33498), (21780, 31637), (22332, 30855), (24684, 27915)]