221224680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 761080320

約数和(自身を除く): 539855640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 43, 45, 60, 62, 72, 86, 90, 93, 120, 124, 129, 155, 172, 180, 186, 215, 248, 258, 279, 310, 344, 360, 372, 387, 430, 461, 465, 516, 558, 620, 645, 744, 774, 860, 922, 930, 1032, 1116, 1240, 1290, 1333, 1383, 1395, 1548, 1720, 1844, 1860, 1935, 2232, 2305, 2580, 2666, 2766, 2790, 3096, 3688, 3720, 3870, 3999, 4149, 4610, 5160, 5332, 5532, 5580, 6665, 6915, 7740, 7998, 8298, 9220, 10664, 11064, 11160, 11997, 13330, 13830, 14291, 15480, 15996, 16596, 18440, 19823, 19995, 20745, 23994, 26660, 27660, 28582, 31992, 33192, 39646, 39990, 41490, 42873, 47988, 53320, 55320, 57164, 59469, 59985, 71455, 79292, 79980, 82980, 85746, 95976, 99115, 114328, 118938, 119970, 128619, 142910, 158584, 159960, 165960, 171492, 178407, 198230, 214365, 237876, 239940, 257238, 285820, 297345, 342984, 356814, 396460, 428730, 475752, 479880, 514476, 571640, 594690, 614513, 643095, 713628, 792920, 857460, 892035, 1028952, 1189380, 1229026, 1286190, 1427256, 1714920, 1784070, 1843539, 2378760, 2458052, 2572380, 3072565, 3568140, 3687078, 4916104, 5144760, 5530617, 6145130, 7136280, 7374156, 9217695, 11061234, 12290260, 14748312, 18435390, 22122468, 24580520, 27653085, 36870780, 44244936, 55306170, 73741560, 110612340, 221224680]

約数ペア:

[(1, 221224680), (2, 110612340), (3, 73741560), (4, 55306170), (5, 44244936), (6, 36870780), (8, 27653085), (9, 24580520), (10, 22122468), (12, 18435390), (15, 14748312), (18, 12290260), (20, 11061234), (24, 9217695), (30, 7374156), (31, 7136280), (36, 6145130), (40, 5530617), (43, 5144760), (45, 4916104), (60, 3687078), (62, 3568140), (72, 3072565), (86, 2572380), (90, 2458052), (93, 2378760), (120, 1843539), (124, 1784070), (129, 1714920), (155, 1427256), (172, 1286190), (180, 1229026), (186, 1189380), (215, 1028952), (248, 892035), (258, 857460), (279, 792920), (310, 713628), (344, 643095), (360, 614513), (372, 594690), (387, 571640), (430, 514476), (461, 479880), (465, 475752), (516, 428730), (558, 396460), (620, 356814), (645, 342984), (744, 297345), (774, 285820), (860, 257238), (922, 239940), (930, 237876), (1032, 214365), (1116, 198230), (1240, 178407), (1290, 171492), (1333, 165960), (1383, 159960), (1395, 158584), (1548, 142910), (1720, 128619), (1844, 119970), (1860, 118938), (1935, 114328), (2232, 99115), (2305, 95976), (2580, 85746), (2666, 82980), (2766, 79980), (2790, 79292), (3096, 71455), (3688, 59985), (3720, 59469), (3870, 57164), (3999, 55320), (4149, 53320), (4610, 47988), (5160, 42873), (5332, 41490), (5532, 39990), (5580, 39646), (6665, 33192), (6915, 31992), (7740, 28582), (7998, 27660), (8298, 26660), (9220, 23994), (10664, 20745), (11064, 19995), (11160, 19823), (11997, 18440), (13330, 16596), (13830, 15996), (14291, 15480)]