1277556840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:861

約数の個数: 256

約数和(自身を含む): 4890931200

約数和(自身を除く): 3613374360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 347, 360, 378, 420, 487, 504, 540, 630, 694, 756, 840, 945, 974, 1041, 1080, 1260, 1388, 1461, 1512, 1735, 1890, 1948, 2082, 2429, 2435, 2520, 2776, 2922, 3123, 3409, 3470, 3780, 3896, 4164, 4383, 4858, 4870, 5205, 5844, 6246, 6818, 6940, 7287, 7305, 7560, 8328, 8766, 9369, 9716, 9740, 10227, 10410, 11688, 12145, 12492, 13149, 13636, 13880, 14574, 14610, 15615, 17045, 17532, 18738, 19432, 19480, 20454, 20820, 21861, 21915, 24290, 24984, 26298, 27272, 29148, 29220, 30681, 31230, 34090, 35064, 36435, 37476, 40908, 41640, 43722, 43830, 46845, 48580, 51135, 52596, 58296, 58440, 61362, 62460, 65583, 65745, 68180, 72870, 74952, 81816, 87444, 87660, 92043, 93690, 97160, 102270, 105192, 109305, 122724, 124920, 131166, 131490, 136360, 145740, 153405, 168989, 174888, 175320, 184086, 187380, 204540, 218610, 245448, 262332, 262980, 291480, 306810, 327915, 337978, 368172, 374760, 409080, 437220, 460215, 506967, 524664, 525960, 613620, 655830, 675956, 736344, 844945, 874440, 920430, 1013934, 1182923, 1227240, 1311660, 1351912, 1520901, 1689890, 1840860, 2027868, 2365846, 2534835, 2623320, 3041802, 3379780, 3548769, 3681720, 4055736, 4562703, 4731692, 5069670, 5914615, 6083604, 6759560, 7097538, 7604505, 9125406, 9463384, 10139340, 10646307, 11829230, 12167208, 14195076, 15209010, 17743845, 18250812, 20278680, 21292614, 22813515, 23658460, 28390152, 30418020, 31938921, 35487690, 36501624, 42585228, 45627030, 47316920, 53231535, 60836040, 63877842, 70975380, 85170456, 91254060, 106463070, 127755684, 141950760, 159694605, 182508120, 212926140, 255511368, 319389210, 425852280, 638778420, 1277556840]

約数ペア:

[(1, 1277556840), (2, 638778420), (3, 425852280), (4, 319389210), (5, 255511368), (6, 212926140), (7, 182508120), (8, 159694605), (9, 141950760), (10, 127755684), (12, 106463070), (14, 91254060), (15, 85170456), (18, 70975380), (20, 63877842), (21, 60836040), (24, 53231535), (27, 47316920), (28, 45627030), (30, 42585228), (35, 36501624), (36, 35487690), (40, 31938921), (42, 30418020), (45, 28390152), (54, 23658460), (56, 22813515), (60, 21292614), (63, 20278680), (70, 18250812), (72, 17743845), (84, 15209010), (90, 14195076), (105, 12167208), (108, 11829230), (120, 10646307), (126, 10139340), (135, 9463384), (140, 9125406), (168, 7604505), (180, 7097538), (189, 6759560), (210, 6083604), (216, 5914615), (252, 5069670), (270, 4731692), (280, 4562703), (315, 4055736), (347, 3681720), (360, 3548769), (378, 3379780), (420, 3041802), (487, 2623320), (504, 2534835), (540, 2365846), (630, 2027868), (694, 1840860), (756, 1689890), (840, 1520901), (945, 1351912), (974, 1311660), (1041, 1227240), (1080, 1182923), (1260, 1013934), (1388, 920430), (1461, 874440), (1512, 844945), (1735, 736344), (1890, 675956), (1948, 655830), (2082, 613620), (2429, 525960), (2435, 524664), (2520, 506967), (2776, 460215), (2922, 437220), (3123, 409080), (3409, 374760), (3470, 368172), (3780, 337978), (3896, 327915), (4164, 306810), (4383, 291480), (4858, 262980), (4870, 262332), (5205, 245448), (5844, 218610), (6246, 204540), (6818, 187380), (6940, 184086), (7287, 175320), (7305, 174888), (7560, 168989), (8328, 153405), (8766, 145740), (9369, 136360), (9716, 131490), (9740, 131166), (10227, 124920), (10410, 122724), (11688, 109305), (12145, 105192), (12492, 102270), (13149, 97160), (13636, 93690), (13880, 92043), (14574, 87660), (14610, 87444), (15615, 81816), (17045, 74952), (17532, 72870), (18738, 68180), (19432, 65745), (19480, 65583), (20454, 62460), (20820, 61362), (21861, 58440), (21915, 58296), (24290, 52596), (24984, 51135), (26298, 48580), (27272, 46845), (29148, 43830), (29220, 43722), (30681, 41640), (31230, 40908), (34090, 37476), (35064, 36435)]