1990456800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 288

約数和(自身を含む): 6844061952

約数和(自身を除く): 4853605152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 80, 92, 96, 100, 107, 115, 120, 138, 150, 160, 184, 200, 214, 230, 240, 276, 300, 321, 337, 345, 368, 400, 428, 460, 480, 535, 552, 575, 600, 642, 674, 690, 736, 800, 856, 920, 1011, 1070, 1104, 1150, 1200, 1284, 1348, 1380, 1605, 1685, 1712, 1725, 1840, 2022, 2140, 2208, 2300, 2400, 2461, 2568, 2675, 2696, 2760, 3210, 3370, 3424, 3450, 3680, 4044, 4280, 4600, 4922, 5055, 5136, 5350, 5392, 5520, 6420, 6740, 6900, 7383, 7751, 8025, 8088, 8425, 8560, 9200, 9844, 10110, 10272, 10700, 10784, 11040, 12305, 12840, 13480, 13800, 14766, 15502, 16050, 16176, 16850, 17120, 18400, 19688, 20220, 21400, 23253, 24610, 25275, 25680, 26960, 27600, 29532, 31004, 32100, 32352, 33700, 36059, 36915, 38755, 39376, 40440, 42800, 46506, 49220, 50550, 51360, 53920, 55200, 59064, 61525, 62008, 64200, 67400, 72118, 73830, 77510, 78752, 80880, 85600, 93012, 98440, 101100, 108177, 116265, 118128, 123050, 124016, 128400, 134800, 144236, 147660, 155020, 161760, 180295, 184575, 186024, 193775, 196880, 202200, 216354, 232530, 236256, 246100, 248032, 256800, 269600, 288472, 295320, 310040, 360590, 369150, 372048, 387550, 393760, 404400, 432708, 465060, 492200, 540885, 576944, 581325, 590640, 620080, 721180, 738300, 744096, 775100, 808800, 829357, 865416, 901475, 930120, 984400, 1081770, 1153888, 1162650, 1181280, 1240160, 1442360, 1476600, 1550200, 1658714, 1730832, 1802950, 1860240, 1968800, 2163540, 2325300, 2488071, 2704425, 2884720, 2953200, 3100400, 3317428, 3461664, 3605900, 3720480, 4146785, 4327080, 4650600, 4976142, 5408850, 5769440, 5906400, 6200800, 6634856, 7211800, 8293570, 8654160, 9301200, 9952284, 10817700, 12440355, 13269712, 14423600, 16587140, 17308320, 18602400, 19904568, 20733925, 21635400, 24880710, 26539424, 28847200, 33174280, 39809136, 41467850, 43270800, 49761420, 62201775, 66348560, 79618272, 82935700, 86541600, 99522840, 124403550, 132697120, 165871400, 199045680, 248807100, 331742800, 398091360, 497614200, 663485600, 995228400, 1990456800]

約数ペア:

[(1, 1990456800), (2, 995228400), (3, 663485600), (4, 497614200), (5, 398091360), (6, 331742800), (8, 248807100), (10, 199045680), (12, 165871400), (15, 132697120), (16, 124403550), (20, 99522840), (23, 86541600), (24, 82935700), (25, 79618272), (30, 66348560), (32, 62201775), (40, 49761420), (46, 43270800), (48, 41467850), (50, 39809136), (60, 33174280), (69, 28847200), (75, 26539424), (80, 24880710), (92, 21635400), (96, 20733925), (100, 19904568), (107, 18602400), (115, 17308320), (120, 16587140), (138, 14423600), (150, 13269712), (160, 12440355), (184, 10817700), (200, 9952284), (214, 9301200), (230, 8654160), (240, 8293570), (276, 7211800), (300, 6634856), (321, 6200800), (337, 5906400), (345, 5769440), (368, 5408850), (400, 4976142), (428, 4650600), (460, 4327080), (480, 4146785), (535, 3720480), (552, 3605900), (575, 3461664), (600, 3317428), (642, 3100400), (674, 2953200), (690, 2884720), (736, 2704425), (800, 2488071), (856, 2325300), (920, 2163540), (1011, 1968800), (1070, 1860240), (1104, 1802950), (1150, 1730832), (1200, 1658714), (1284, 1550200), (1348, 1476600), (1380, 1442360), (1605, 1240160), (1685, 1181280), (1712, 1162650), (1725, 1153888), (1840, 1081770), (2022, 984400), (2140, 930120), (2208, 901475), (2300, 865416), (2400, 829357), (2461, 808800), (2568, 775100), (2675, 744096), (2696, 738300), (2760, 721180), (3210, 620080), (3370, 590640), (3424, 581325), (3450, 576944), (3680, 540885), (4044, 492200), (4280, 465060), (4600, 432708), (4922, 404400), (5055, 393760), (5136, 387550), (5350, 372048), (5392, 369150), (5520, 360590), (6420, 310040), (6740, 295320), (6900, 288472), (7383, 269600), (7751, 256800), (8025, 248032), (8088, 246100), (8425, 236256), (8560, 232530), (9200, 216354), (9844, 202200), (10110, 196880), (10272, 193775), (10700, 186024), (10784, 184575), (11040, 180295), (12305, 161760), (12840, 155020), (13480, 147660), (13800, 144236), (14766, 134800), (15502, 128400), (16050, 124016), (16176, 123050), (16850, 118128), (17120, 116265), (18400, 108177), (19688, 101100), (20220, 98440), (21400, 93012), (23253, 85600), (24610, 80880), (25275, 78752), (25680, 77510), (26960, 73830), (27600, 72118), (29532, 67400), (31004, 64200), (32100, 62008), (32352, 61525), (33700, 59064), (36059, 55200), (36915, 53920), (38755, 51360), (39376, 50550), (40440, 49220), (42800, 46506)]