254394720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7681}}^1$

素因数の和:7725

約数の個数: 144

約数和(自身を含む): 905984352

約数和(自身を除く): 651589632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2760, 3312, 3680, 4140, 5520, 6624, 7681, 8280, 11040, 15362, 16560, 23043, 30724, 33120, 38405, 46086, 61448, 69129, 76810, 92172, 115215, 122896, 138258, 153620, 176663, 184344, 230430, 245792, 276516, 307240, 345645, 353326, 368688, 460860, 529989, 553032, 614480, 691290, 706652, 737376, 883315, 921720, 1059978, 1106064, 1228960, 1382580, 1413304, 1589967, 1766630, 1843440, 2119956, 2212128, 2649945, 2765160, 2826608, 3179934, 3533260, 3686880, 4239912, 5299890, 5530320, 5653216, 6359868, 7066520, 7949835, 8479824, 10599780, 11060640, 12719736, 14133040, 15899670, 16959648, 21199560, 25439472, 28266080, 31799340, 42399120, 50878944, 63598680, 84798240, 127197360, 254394720]

約数ペア:

[(1, 254394720), (2, 127197360), (3, 84798240), (4, 63598680), (5, 50878944), (6, 42399120), (8, 31799340), (9, 28266080), (10, 25439472), (12, 21199560), (15, 16959648), (16, 15899670), (18, 14133040), (20, 12719736), (23, 11060640), (24, 10599780), (30, 8479824), (32, 7949835), (36, 7066520), (40, 6359868), (45, 5653216), (46, 5530320), (48, 5299890), (60, 4239912), (69, 3686880), (72, 3533260), (80, 3179934), (90, 2826608), (92, 2765160), (96, 2649945), (115, 2212128), (120, 2119956), (138, 1843440), (144, 1766630), (160, 1589967), (180, 1413304), (184, 1382580), (207, 1228960), (230, 1106064), (240, 1059978), (276, 921720), (288, 883315), (345, 737376), (360, 706652), (368, 691290), (414, 614480), (460, 553032), (480, 529989), (552, 460860), (690, 368688), (720, 353326), (736, 345645), (828, 307240), (920, 276516), (1035, 245792), (1104, 230430), (1380, 184344), (1440, 176663), (1656, 153620), (1840, 138258), (2070, 122896), (2208, 115215), (2760, 92172), (3312, 76810), (3680, 69129), (4140, 61448), (5520, 46086), (6624, 38405), (7681, 33120), (8280, 30724), (11040, 23043), (15362, 16560)]