640623600

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2579}}^1$

素因数の和:2629

約数の個数: 240

約数和(自身を含む): 2380204800

約数和(自身を除く): 1739581200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 27, 30, 36, 40, 45, 46, 48, 50, 54, 60, 69, 72, 75, 80, 90, 92, 100, 108, 115, 120, 135, 138, 144, 150, 180, 184, 200, 207, 216, 225, 230, 240, 270, 276, 300, 345, 360, 368, 400, 414, 432, 450, 460, 540, 552, 575, 600, 621, 675, 690, 720, 828, 900, 920, 1035, 1080, 1104, 1150, 1200, 1242, 1350, 1380, 1656, 1725, 1800, 1840, 2070, 2160, 2300, 2484, 2579, 2700, 2760, 3105, 3312, 3450, 3600, 4140, 4600, 4968, 5158, 5175, 5400, 5520, 6210, 6900, 7737, 8280, 9200, 9936, 10316, 10350, 10800, 12420, 12895, 13800, 15474, 15525, 16560, 20632, 20700, 23211, 24840, 25790, 27600, 30948, 31050, 38685, 41264, 41400, 46422, 49680, 51580, 59317, 61896, 62100, 64475, 69633, 77370, 82800, 92844, 103160, 116055, 118634, 123792, 124200, 128950, 139266, 154740, 177951, 185688, 193425, 206320, 232110, 237268, 248400, 257900, 278532, 296585, 309480, 348165, 355902, 371376, 386850, 464220, 474536, 515800, 533853, 557064, 580275, 593170, 618960, 696330, 711804, 773700, 889755, 928440, 949072, 1031600, 1067706, 1114128, 1160550, 1186340, 1392660, 1423608, 1482925, 1547400, 1601559, 1740825, 1779510, 1856880, 2135412, 2321100, 2372680, 2669265, 2785320, 2847216, 2965850, 3094800, 3203118, 3481650, 3559020, 4270824, 4448775, 4642200, 4745360, 5338530, 5570640, 5931700, 6406236, 6963300, 7118040, 8007795, 8541648, 8897550, 9284400, 10677060, 11863400, 12812472, 13346325, 13926600, 14236080, 16015590, 17795100, 21354120, 23726800, 25624944, 26692650, 27853200, 32031180, 35590200, 40038975, 42708240, 53385300, 64062360, 71180400, 80077950, 106770600, 128124720, 160155900, 213541200, 320311800, 640623600]

約数ペア:

[(1, 640623600), (2, 320311800), (3, 213541200), (4, 160155900), (5, 128124720), (6, 106770600), (8, 80077950), (9, 71180400), (10, 64062360), (12, 53385300), (15, 42708240), (16, 40038975), (18, 35590200), (20, 32031180), (23, 27853200), (24, 26692650), (25, 25624944), (27, 23726800), (30, 21354120), (36, 17795100), (40, 16015590), (45, 14236080), (46, 13926600), (48, 13346325), (50, 12812472), (54, 11863400), (60, 10677060), (69, 9284400), (72, 8897550), (75, 8541648), (80, 8007795), (90, 7118040), (92, 6963300), (100, 6406236), (108, 5931700), (115, 5570640), (120, 5338530), (135, 4745360), (138, 4642200), (144, 4448775), (150, 4270824), (180, 3559020), (184, 3481650), (200, 3203118), (207, 3094800), (216, 2965850), (225, 2847216), (230, 2785320), (240, 2669265), (270, 2372680), (276, 2321100), (300, 2135412), (345, 1856880), (360, 1779510), (368, 1740825), (400, 1601559), (414, 1547400), (432, 1482925), (450, 1423608), (460, 1392660), (540, 1186340), (552, 1160550), (575, 1114128), (600, 1067706), (621, 1031600), (675, 949072), (690, 928440), (720, 889755), (828, 773700), (900, 711804), (920, 696330), (1035, 618960), (1080, 593170), (1104, 580275), (1150, 557064), (1200, 533853), (1242, 515800), (1350, 474536), (1380, 464220), (1656, 386850), (1725, 371376), (1800, 355902), (1840, 348165), (2070, 309480), (2160, 296585), (2300, 278532), (2484, 257900), (2579, 248400), (2700, 237268), (2760, 232110), (3105, 206320), (3312, 193425), (3450, 185688), (3600, 177951), (4140, 154740), (4600, 139266), (4968, 128950), (5158, 124200), (5175, 123792), (5400, 118634), (5520, 116055), (6210, 103160), (6900, 92844), (7737, 82800), (8280, 77370), (9200, 69633), (9936, 64475), (10316, 62100), (10350, 61896), (10800, 59317), (12420, 51580), (12895, 49680), (13800, 46422), (15474, 41400), (15525, 41264), (16560, 38685), (20632, 31050), (20700, 30948), (23211, 27600), (24840, 25790)]