397567440

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 280

約数和(自身を含む): 1471064328

約数和(自身を除く): 1073496888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 243, 255, 270, 272, 306, 324, 340, 360, 401, 405, 408, 432, 459, 486, 510, 540, 612, 648, 680, 720, 729, 765, 802, 810, 816, 918, 972, 1020, 1080, 1203, 1215, 1224, 1296, 1360, 1377, 1458, 1530, 1604, 1620, 1836, 1944, 2005, 2040, 2160, 2295, 2406, 2430, 2448, 2754, 2916, 3060, 3208, 3240, 3609, 3645, 3672, 3888, 4010, 4080, 4131, 4590, 4812, 4860, 5508, 5832, 6015, 6120, 6416, 6480, 6817, 6885, 7218, 7290, 7344, 8020, 8262, 9180, 9624, 9720, 10827, 11016, 11664, 12030, 12240, 12393, 13634, 13770, 14436, 14580, 16040, 16524, 18045, 18360, 19248, 19440, 20451, 20655, 21654, 22032, 24060, 24786, 27268, 27540, 28872, 29160, 32080, 32481, 33048, 34085, 36090, 36720, 40902, 41310, 43308, 48120, 49572, 54135, 54536, 55080, 57744, 58320, 61353, 61965, 64962, 66096, 68170, 72180, 81804, 82620, 86616, 96240, 97443, 99144, 102255, 108270, 109072, 110160, 122706, 123930, 129924, 136340, 144360, 162405, 163608, 165240, 173232, 184059, 194886, 198288, 204510, 216540, 245412, 247860, 259848, 272680, 288720, 292329, 306765, 324810, 327216, 330480, 368118, 389772, 409020, 433080, 487215, 490824, 495720, 519696, 545360, 552177, 584658, 613530, 649620, 736236, 779544, 818040, 866160, 920295, 974430, 981648, 991440, 1104354, 1169316, 1227060, 1299240, 1461645, 1472472, 1559088, 1636080, 1656531, 1840590, 1948860, 2208708, 2338632, 2454120, 2598480, 2760885, 2923290, 2944944, 3313062, 3681180, 3897720, 4417416, 4677264, 4908240, 4969593, 5521770, 5846580, 6626124, 7362360, 7795440, 8282655, 8834832, 9939186, 11043540, 11693160, 13252248, 14724720, 16565310, 19878372, 22087080, 23386320, 24847965, 26504496, 33130620, 39756744, 44174160, 49695930, 66261240, 79513488, 99391860, 132522480, 198783720, 397567440]

約数ペア:

[(1, 397567440), (2, 198783720), (3, 132522480), (4, 99391860), (5, 79513488), (6, 66261240), (8, 49695930), (9, 44174160), (10, 39756744), (12, 33130620), (15, 26504496), (16, 24847965), (17, 23386320), (18, 22087080), (20, 19878372), (24, 16565310), (27, 14724720), (30, 13252248), (34, 11693160), (36, 11043540), (40, 9939186), (45, 8834832), (48, 8282655), (51, 7795440), (54, 7362360), (60, 6626124), (68, 5846580), (72, 5521770), (80, 4969593), (81, 4908240), (85, 4677264), (90, 4417416), (102, 3897720), (108, 3681180), (120, 3313062), (135, 2944944), (136, 2923290), (144, 2760885), (153, 2598480), (162, 2454120), (170, 2338632), (180, 2208708), (204, 1948860), (216, 1840590), (240, 1656531), (243, 1636080), (255, 1559088), (270, 1472472), (272, 1461645), (306, 1299240), (324, 1227060), (340, 1169316), (360, 1104354), (401, 991440), (405, 981648), (408, 974430), (432, 920295), (459, 866160), (486, 818040), (510, 779544), (540, 736236), (612, 649620), (648, 613530), (680, 584658), (720, 552177), (729, 545360), (765, 519696), (802, 495720), (810, 490824), (816, 487215), (918, 433080), (972, 409020), (1020, 389772), (1080, 368118), (1203, 330480), (1215, 327216), (1224, 324810), (1296, 306765), (1360, 292329), (1377, 288720), (1458, 272680), (1530, 259848), (1604, 247860), (1620, 245412), (1836, 216540), (1944, 204510), (2005, 198288), (2040, 194886), (2160, 184059), (2295, 173232), (2406, 165240), (2430, 163608), (2448, 162405), (2754, 144360), (2916, 136340), (3060, 129924), (3208, 123930), (3240, 122706), (3609, 110160), (3645, 109072), (3672, 108270), (3888, 102255), (4010, 99144), (4080, 97443), (4131, 96240), (4590, 86616), (4812, 82620), (4860, 81804), (5508, 72180), (5832, 68170), (6015, 66096), (6120, 64962), (6416, 61965), (6480, 61353), (6817, 58320), (6885, 57744), (7218, 55080), (7290, 54536), (7344, 54135), (8020, 49572), (8262, 48120), (9180, 43308), (9624, 41310), (9720, 40902), (10827, 36720), (11016, 36090), (11664, 34085), (12030, 33048), (12240, 32481), (12393, 32080), (13634, 29160), (13770, 28872), (14436, 27540), (14580, 27268), (16040, 24786), (16524, 24060), (18045, 22032), (18360, 21654), (19248, 20655), (19440, 20451)]