398439120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 320

約数和(自身を含む): 1414195200

約数和(自身を除く): 1015756080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 29, 30, 38, 40, 46, 48, 57, 58, 60, 69, 76, 80, 87, 92, 95, 114, 115, 116, 120, 131, 138, 145, 152, 174, 184, 190, 228, 230, 232, 240, 262, 276, 285, 290, 304, 345, 348, 368, 380, 393, 435, 437, 456, 460, 464, 524, 551, 552, 570, 580, 655, 667, 690, 696, 760, 786, 870, 874, 912, 920, 1048, 1102, 1104, 1140, 1160, 1310, 1311, 1334, 1380, 1392, 1520, 1572, 1653, 1740, 1748, 1840, 1965, 2001, 2096, 2185, 2204, 2280, 2320, 2489, 2620, 2622, 2668, 2755, 2760, 3013, 3144, 3306, 3335, 3480, 3496, 3799, 3930, 4002, 4370, 4408, 4560, 4978, 5240, 5244, 5336, 5510, 5520, 6026, 6288, 6555, 6612, 6670, 6960, 6992, 7467, 7598, 7860, 8004, 8265, 8740, 8816, 9039, 9956, 10005, 10480, 10488, 10672, 11020, 11397, 12052, 12445, 12673, 13110, 13224, 13340, 14934, 15065, 15196, 15720, 16008, 16530, 17480, 18078, 18995, 19912, 20010, 20976, 22040, 22794, 24104, 24890, 25346, 26220, 26448, 26680, 29868, 30130, 30392, 31440, 32016, 33060, 34960, 36156, 37335, 37990, 38019, 39824, 40020, 44080, 45195, 45588, 48208, 49780, 50692, 52440, 53360, 56985, 57247, 59736, 60260, 60784, 63365, 66120, 72181, 72312, 74670, 75980, 76038, 80040, 87377, 90390, 91176, 99560, 101384, 104880, 113970, 114494, 119472, 120520, 126730, 132240, 144362, 144624, 149340, 151960, 152076, 160080, 171741, 174754, 180780, 182352, 190095, 199120, 202768, 216543, 227940, 228988, 241040, 253460, 262131, 286235, 288724, 298680, 303920, 304152, 343482, 349508, 360905, 361560, 380190, 433086, 436885, 455880, 457976, 506920, 524262, 572470, 577448, 597360, 608304, 686964, 699016, 721810, 723120, 760380, 858705, 866172, 873770, 911760, 915952, 1013840, 1048524, 1082715, 1144940, 1154896, 1310655, 1373928, 1398032, 1443620, 1520760, 1660163, 1717410, 1732344, 1747540, 2097048, 2165430, 2289880, 2621310, 2747856, 2887240, 3041520, 3320326, 3434820, 3464688, 3495080, 4194096, 4330860, 4579760, 4980489, 5242620, 5774480, 6640652, 6869640, 6990160, 8300815, 8661720, 9960978, 10485240, 13281304, 13739280, 16601630, 17323440, 19921956, 20970480, 24902445, 26562608, 33203260, 39843912, 49804890, 66406520, 79687824, 99609780, 132813040, 199219560, 398439120]

約数ペア:

[(1, 398439120), (2, 199219560), (3, 132813040), (4, 99609780), (5, 79687824), (6, 66406520), (8, 49804890), (10, 39843912), (12, 33203260), (15, 26562608), (16, 24902445), (19, 20970480), (20, 19921956), (23, 17323440), (24, 16601630), (29, 13739280), (30, 13281304), (38, 10485240), (40, 9960978), (46, 8661720), (48, 8300815), (57, 6990160), (58, 6869640), (60, 6640652), (69, 5774480), (76, 5242620), (80, 4980489), (87, 4579760), (92, 4330860), (95, 4194096), (114, 3495080), (115, 3464688), (116, 3434820), (120, 3320326), (131, 3041520), (138, 2887240), (145, 2747856), (152, 2621310), (174, 2289880), (184, 2165430), (190, 2097048), (228, 1747540), (230, 1732344), (232, 1717410), (240, 1660163), (262, 1520760), (276, 1443620), (285, 1398032), (290, 1373928), (304, 1310655), (345, 1154896), (348, 1144940), (368, 1082715), (380, 1048524), (393, 1013840), (435, 915952), (437, 911760), (456, 873770), (460, 866172), (464, 858705), (524, 760380), (551, 723120), (552, 721810), (570, 699016), (580, 686964), (655, 608304), (667, 597360), (690, 577448), (696, 572470), (760, 524262), (786, 506920), (870, 457976), (874, 455880), (912, 436885), (920, 433086), (1048, 380190), (1102, 361560), (1104, 360905), (1140, 349508), (1160, 343482), (1310, 304152), (1311, 303920), (1334, 298680), (1380, 288724), (1392, 286235), (1520, 262131), (1572, 253460), (1653, 241040), (1740, 228988), (1748, 227940), (1840, 216543), (1965, 202768), (2001, 199120), (2096, 190095), (2185, 182352), (2204, 180780), (2280, 174754), (2320, 171741), (2489, 160080), (2620, 152076), (2622, 151960), (2668, 149340), (2755, 144624), (2760, 144362), (3013, 132240), (3144, 126730), (3306, 120520), (3335, 119472), (3480, 114494), (3496, 113970), (3799, 104880), (3930, 101384), (4002, 99560), (4370, 91176), (4408, 90390), (4560, 87377), (4978, 80040), (5240, 76038), (5244, 75980), (5336, 74670), (5510, 72312), (5520, 72181), (6026, 66120), (6288, 63365), (6555, 60784), (6612, 60260), (6670, 59736), (6960, 57247), (6992, 56985), (7467, 53360), (7598, 52440), (7860, 50692), (8004, 49780), (8265, 48208), (8740, 45588), (8816, 45195), (9039, 44080), (9956, 40020), (10005, 39824), (10480, 38019), (10488, 37990), (10672, 37335), (11020, 36156), (11397, 34960), (12052, 33060), (12445, 32016), (12673, 31440), (13110, 30392), (13224, 30130), (13340, 29868), (14934, 26680), (15065, 26448), (15196, 26220), (15720, 25346), (16008, 24890), (16530, 24104), (17480, 22794), (18078, 22040), (18995, 20976), (19912, 20010)]