16687857920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{1811}}^1$

素因数の和:2168

約数の個数: 144

約数和(自身を含む): 41866941312

約数和(自身を除く): 25179083392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 313, 320, 368, 460, 626, 640, 736, 920, 1252, 1280, 1472, 1565, 1811, 1840, 2504, 2944, 3130, 3622, 3680, 5008, 5888, 6260, 7199, 7244, 7360, 9055, 10016, 12520, 14398, 14488, 14720, 18110, 20032, 25040, 28796, 28976, 29440, 35995, 36220, 40064, 41653, 50080, 57592, 57952, 71990, 72440, 80128, 83306, 100160, 115184, 115904, 143980, 144880, 166612, 200320, 208265, 230368, 231808, 287960, 289760, 333224, 400640, 416530, 460736, 463616, 566843, 575920, 579520, 666448, 833060, 921472, 1133686, 1151840, 1159040, 1332896, 1666120, 1842944, 2267372, 2303680, 2318080, 2665792, 2834215, 3332240, 4534744, 4607360, 5331584, 5668430, 6664480, 9069488, 9214720, 10663168, 11336860, 13037389, 13328960, 18138976, 22673720, 26074778, 26657920, 36277952, 45347440, 52149556, 53315840, 65186945, 72555904, 90694880, 104299112, 130373890, 145111808, 181389760, 208598224, 260747780, 362779520, 417196448, 521495560, 725559040, 834392896, 1042991120, 1668785792, 2085982240, 3337571584, 4171964480, 8343928960, 16687857920]

約数ペア:

[(1, 16687857920), (2, 8343928960), (4, 4171964480), (5, 3337571584), (8, 2085982240), (10, 1668785792), (16, 1042991120), (20, 834392896), (23, 725559040), (32, 521495560), (40, 417196448), (46, 362779520), (64, 260747780), (80, 208598224), (92, 181389760), (115, 145111808), (128, 130373890), (160, 104299112), (184, 90694880), (230, 72555904), (256, 65186945), (313, 53315840), (320, 52149556), (368, 45347440), (460, 36277952), (626, 26657920), (640, 26074778), (736, 22673720), (920, 18138976), (1252, 13328960), (1280, 13037389), (1472, 11336860), (1565, 10663168), (1811, 9214720), (1840, 9069488), (2504, 6664480), (2944, 5668430), (3130, 5331584), (3622, 4607360), (3680, 4534744), (5008, 3332240), (5888, 2834215), (6260, 2665792), (7199, 2318080), (7244, 2303680), (7360, 2267372), (9055, 1842944), (10016, 1666120), (12520, 1332896), (14398, 1159040), (14488, 1151840), (14720, 1133686), (18110, 921472), (20032, 833060), (25040, 666448), (28796, 579520), (28976, 575920), (29440, 566843), (35995, 463616), (36220, 460736), (40064, 416530), (41653, 400640), (50080, 333224), (57592, 289760), (57952, 287960), (71990, 231808), (72440, 230368), (80128, 208265), (83306, 200320), (100160, 166612), (115184, 144880), (115904, 143980)]