217228320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2473}}^1$

素因数の和:2555

約数の個数: 144

約数和(自身を含む): 753748632

約数和(自身を除く): 536520312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2473, 2745, 2928, 3660, 4392, 4880, 4946, 5490, 5856, 7320, 7419, 8784, 9760, 9892, 10980, 12365, 14640, 14838, 17568, 19784, 21960, 22257, 24730, 29280, 29676, 37095, 39568, 43920, 44514, 49460, 59352, 74190, 79136, 87840, 89028, 98920, 111285, 118704, 148380, 150853, 178056, 197840, 222570, 237408, 296760, 301706, 356112, 395680, 445140, 452559, 593520, 603412, 712224, 754265, 890280, 905118, 1187040, 1206824, 1357677, 1508530, 1780560, 1810236, 2262795, 2413648, 2715354, 3017060, 3561120, 3620472, 4525590, 4827296, 5430708, 6034120, 6788385, 7240944, 9051180, 10861416, 12068240, 13576770, 14481888, 18102360, 21722832, 24136480, 27153540, 36204720, 43445664, 54307080, 72409440, 108614160, 217228320]

約数ペア:

[(1, 217228320), (2, 108614160), (3, 72409440), (4, 54307080), (5, 43445664), (6, 36204720), (8, 27153540), (9, 24136480), (10, 21722832), (12, 18102360), (15, 14481888), (16, 13576770), (18, 12068240), (20, 10861416), (24, 9051180), (30, 7240944), (32, 6788385), (36, 6034120), (40, 5430708), (45, 4827296), (48, 4525590), (60, 3620472), (61, 3561120), (72, 3017060), (80, 2715354), (90, 2413648), (96, 2262795), (120, 1810236), (122, 1780560), (144, 1508530), (160, 1357677), (180, 1206824), (183, 1187040), (240, 905118), (244, 890280), (288, 754265), (305, 712224), (360, 603412), (366, 593520), (480, 452559), (488, 445140), (549, 395680), (610, 356112), (720, 301706), (732, 296760), (915, 237408), (976, 222570), (1098, 197840), (1220, 178056), (1440, 150853), (1464, 148380), (1830, 118704), (1952, 111285), (2196, 98920), (2440, 89028), (2473, 87840), (2745, 79136), (2928, 74190), (3660, 59352), (4392, 49460), (4880, 44514), (4946, 43920), (5490, 39568), (5856, 37095), (7320, 29676), (7419, 29280), (8784, 24730), (9760, 22257), (9892, 21960), (10980, 19784), (12365, 17568), (14640, 14838)]