2155554180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5440

約数の個数: 240

約数和(自身を含む): 7666908480

約数和(自身を除く): 5511354300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 810, 855, 988, 1026, 1053, 1140, 1170, 1235, 1404, 1482, 1539, 1620, 1710, 1755, 2052, 2106, 2223, 2340, 2470, 2565, 2964, 3078, 3420, 3510, 3705, 4212, 4446, 4940, 5130, 5265, 5387, 6156, 6669, 7020, 7410, 7695, 8892, 10260, 10530, 10774, 11115, 13338, 14820, 15390, 16161, 20007, 21060, 21548, 22230, 26676, 26935, 30780, 32322, 33345, 40014, 44460, 48483, 53870, 64644, 66690, 70031, 80028, 80805, 96966, 100035, 102353, 107740, 133380, 140062, 145449, 161610, 193932, 200070, 204706, 210093, 242415, 280124, 290898, 307059, 323220, 350155, 400140, 409412, 420186, 436347, 484830, 511765, 581796, 614118, 630279, 700310, 727245, 840372, 872694, 921177, 969660, 1023530, 1050465, 1228236, 1260558, 1330589, 1400620, 1454490, 1535295, 1745388, 1842354, 1890837, 2047060, 2100930, 2181735, 2521116, 2661178, 2763531, 2908980, 3070590, 3151395, 3684708, 3781674, 3991767, 4201860, 4363470, 4605885, 5322356, 5527062, 5672511, 6141180, 6302790, 6652945, 7563348, 7983534, 8290593, 8726940, 9211770, 9454185, 11054124, 11345022, 11975301, 12605580, 13305890, 13817655, 15967068, 16581186, 18423540, 18908370, 19958835, 22690044, 23950602, 26611780, 27635310, 28362555, 33162372, 35925903, 37816740, 39917670, 41452965, 47901204, 55270620, 56725110, 59876505, 71851806, 79835340, 82905930, 107777709, 113450220, 119753010, 143703612, 165811860, 179629515, 215555418, 239506020, 359259030, 431110836, 538888545, 718518060, 1077777090, 2155554180]

約数ペア:

[(1, 2155554180), (2, 1077777090), (3, 718518060), (4, 538888545), (5, 431110836), (6, 359259030), (9, 239506020), (10, 215555418), (12, 179629515), (13, 165811860), (15, 143703612), (18, 119753010), (19, 113450220), (20, 107777709), (26, 82905930), (27, 79835340), (30, 71851806), (36, 59876505), (38, 56725110), (39, 55270620), (45, 47901204), (52, 41452965), (54, 39917670), (57, 37816740), (60, 35925903), (65, 33162372), (76, 28362555), (78, 27635310), (81, 26611780), (90, 23950602), (95, 22690044), (108, 19958835), (114, 18908370), (117, 18423540), (130, 16581186), (135, 15967068), (156, 13817655), (162, 13305890), (171, 12605580), (180, 11975301), (190, 11345022), (195, 11054124), (228, 9454185), (234, 9211770), (247, 8726940), (260, 8290593), (270, 7983534), (285, 7563348), (324, 6652945), (342, 6302790), (351, 6141180), (380, 5672511), (390, 5527062), (405, 5322356), (468, 4605885), (494, 4363470), (513, 4201860), (540, 3991767), (570, 3781674), (585, 3684708), (684, 3151395), (702, 3070590), (741, 2908980), (780, 2763531), (810, 2661178), (855, 2521116), (988, 2181735), (1026, 2100930), (1053, 2047060), (1140, 1890837), (1170, 1842354), (1235, 1745388), (1404, 1535295), (1482, 1454490), (1539, 1400620), (1620, 1330589), (1710, 1260558), (1755, 1228236), (2052, 1050465), (2106, 1023530), (2223, 969660), (2340, 921177), (2470, 872694), (2565, 840372), (2964, 727245), (3078, 700310), (3420, 630279), (3510, 614118), (3705, 581796), (4212, 511765), (4446, 484830), (4940, 436347), (5130, 420186), (5265, 409412), (5387, 400140), (6156, 350155), (6669, 323220), (7020, 307059), (7410, 290898), (7695, 280124), (8892, 242415), (10260, 210093), (10530, 204706), (10774, 200070), (11115, 193932), (13338, 161610), (14820, 145449), (15390, 140062), (16161, 133380), (20007, 107740), (21060, 102353), (21548, 100035), (22230, 96966), (26676, 80805), (26935, 80028), (30780, 70031), (32322, 66690), (33345, 64644), (40014, 53870), (44460, 48483)]