221172480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:363

約数の個数: 216

約数和(自身を含む): 778665888

約数和(自身を除く): 557493408

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, 64, 72, 73, 80, 90, 96, 120, 128, 144, 146, 160, 180, 192, 219, 240, 256, 263, 288, 292, 320, 360, 365, 384, 438, 480, 526, 576, 584, 640, 657, 720, 730, 768, 789, 876, 960, 1052, 1095, 1152, 1168, 1280, 1314, 1315, 1440, 1460, 1578, 1752, 1920, 2104, 2190, 2304, 2336, 2367, 2628, 2630, 2880, 2920, 3156, 3285, 3504, 3840, 3945, 4208, 4380, 4672, 4734, 5256, 5260, 5760, 5840, 6312, 6570, 7008, 7890, 8416, 8760, 9344, 9468, 10512, 10520, 11520, 11680, 11835, 12624, 13140, 14016, 15780, 16832, 17520, 18688, 18936, 19199, 21024, 21040, 23360, 23670, 25248, 26280, 28032, 31560, 33664, 35040, 37872, 38398, 42048, 42080, 46720, 47340, 50496, 52560, 56064, 57597, 63120, 67328, 70080, 75744, 76796, 84096, 84160, 93440, 94680, 95995, 100992, 105120, 115194, 126240, 140160, 151488, 153592, 168192, 168320, 172791, 189360, 191990, 201984, 210240, 230388, 252480, 280320, 287985, 302976, 307184, 336640, 345582, 378720, 383980, 420480, 460776, 504960, 575970, 605952, 614368, 691164, 757440, 767960, 840960, 863955, 921552, 1009920, 1151940, 1228736, 1382328, 1514880, 1535920, 1727910, 1843104, 2303880, 2457472, 2764656, 3029760, 3071840, 3455820, 3686208, 4607760, 4914944, 5529312, 6143680, 6911640, 7372416, 9215520, 11058624, 12287360, 13823280, 14744832, 18431040, 22117248, 24574720, 27646560, 36862080, 44234496, 55293120, 73724160, 110586240, 221172480]

約数ペア:

[(1, 221172480), (2, 110586240), (3, 73724160), (4, 55293120), (5, 44234496), (6, 36862080), (8, 27646560), (9, 24574720), (10, 22117248), (12, 18431040), (15, 14744832), (16, 13823280), (18, 12287360), (20, 11058624), (24, 9215520), (30, 7372416), (32, 6911640), (36, 6143680), (40, 5529312), (45, 4914944), (48, 4607760), (60, 3686208), (64, 3455820), (72, 3071840), (73, 3029760), (80, 2764656), (90, 2457472), (96, 2303880), (120, 1843104), (128, 1727910), (144, 1535920), (146, 1514880), (160, 1382328), (180, 1228736), (192, 1151940), (219, 1009920), (240, 921552), (256, 863955), (263, 840960), (288, 767960), (292, 757440), (320, 691164), (360, 614368), (365, 605952), (384, 575970), (438, 504960), (480, 460776), (526, 420480), (576, 383980), (584, 378720), (640, 345582), (657, 336640), (720, 307184), (730, 302976), (768, 287985), (789, 280320), (876, 252480), (960, 230388), (1052, 210240), (1095, 201984), (1152, 191990), (1168, 189360), (1280, 172791), (1314, 168320), (1315, 168192), (1440, 153592), (1460, 151488), (1578, 140160), (1752, 126240), (1920, 115194), (2104, 105120), (2190, 100992), (2304, 95995), (2336, 94680), (2367, 93440), (2628, 84160), (2630, 84096), (2880, 76796), (2920, 75744), (3156, 70080), (3285, 67328), (3504, 63120), (3840, 57597), (3945, 56064), (4208, 52560), (4380, 50496), (4672, 47340), (4734, 46720), (5256, 42080), (5260, 42048), (5760, 38398), (5840, 37872), (6312, 35040), (6570, 33664), (7008, 31560), (7890, 28032), (8416, 26280), (8760, 25248), (9344, 23670), (9468, 23360), (10512, 21040), (10520, 21024), (11520, 19199), (11680, 18936), (11835, 18688), (12624, 17520), (13140, 16832), (14016, 15780)]