221197680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2539}}^1$

素因数の和:2580

約数の個数: 180

約数和(自身を含む): 816848760

約数和(自身を除く): 595651080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1089, 1210, 1320, 1452, 1584, 1815, 1936, 1980, 2178, 2420, 2539, 2640, 2904, 3630, 3960, 4356, 4840, 5078, 5445, 5808, 7260, 7617, 7920, 8712, 9680, 10156, 10890, 12695, 14520, 15234, 17424, 20312, 21780, 22851, 25390, 27929, 29040, 30468, 38085, 40624, 43560, 45702, 50780, 55858, 60936, 76170, 83787, 87120, 91404, 101560, 111716, 114255, 121872, 139645, 152340, 167574, 182808, 203120, 223432, 228510, 251361, 279290, 304680, 307219, 335148, 365616, 418935, 446864, 457020, 502722, 558580, 609360, 614438, 670296, 837870, 914040, 921657, 1005444, 1117160, 1228876, 1256805, 1340592, 1536095, 1675740, 1828080, 1843314, 2010888, 2234320, 2457752, 2513610, 2764971, 3072190, 3351480, 3686628, 4021776, 4608285, 4915504, 5027220, 5529942, 6144380, 6702960, 7373256, 9216570, 10054440, 11059884, 12288760, 13824855, 14746512, 18433140, 20108880, 22119768, 24577520, 27649710, 36866280, 44239536, 55299420, 73732560, 110598840, 221197680]

約数ペア:

[(1, 221197680), (2, 110598840), (3, 73732560), (4, 55299420), (5, 44239536), (6, 36866280), (8, 27649710), (9, 24577520), (10, 22119768), (11, 20108880), (12, 18433140), (15, 14746512), (16, 13824855), (18, 12288760), (20, 11059884), (22, 10054440), (24, 9216570), (30, 7373256), (33, 6702960), (36, 6144380), (40, 5529942), (44, 5027220), (45, 4915504), (48, 4608285), (55, 4021776), (60, 3686628), (66, 3351480), (72, 3072190), (80, 2764971), (88, 2513610), (90, 2457752), (99, 2234320), (110, 2010888), (120, 1843314), (121, 1828080), (132, 1675740), (144, 1536095), (165, 1340592), (176, 1256805), (180, 1228876), (198, 1117160), (220, 1005444), (240, 921657), (242, 914040), (264, 837870), (330, 670296), (360, 614438), (363, 609360), (396, 558580), (440, 502722), (484, 457020), (495, 446864), (528, 418935), (605, 365616), (660, 335148), (720, 307219), (726, 304680), (792, 279290), (880, 251361), (968, 228510), (990, 223432), (1089, 203120), (1210, 182808), (1320, 167574), (1452, 152340), (1584, 139645), (1815, 121872), (1936, 114255), (1980, 111716), (2178, 101560), (2420, 91404), (2539, 87120), (2640, 83787), (2904, 76170), (3630, 60936), (3960, 55858), (4356, 50780), (4840, 45702), (5078, 43560), (5445, 40624), (5808, 38085), (7260, 30468), (7617, 29040), (7920, 27929), (8712, 25390), (9680, 22851), (10156, 21780), (10890, 20312), (12695, 17424), (14520, 15234)]