221078880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 288

約数和(自身を含む): 872490528

約数和(自身を除く): 651411648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 96, 99, 102, 110, 120, 132, 136, 144, 153, 160, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 288, 306, 330, 340, 352, 360, 374, 396, 408, 440, 480, 495, 510, 528, 544, 561, 612, 660, 680, 720, 748, 765, 792, 816, 821, 880, 935, 990, 1020, 1056, 1122, 1224, 1320, 1360, 1440, 1496, 1530, 1584, 1632, 1642, 1683, 1760, 1870, 1980, 2040, 2244, 2448, 2463, 2640, 2720, 2805, 2992, 3060, 3168, 3284, 3366, 3740, 3960, 4080, 4105, 4488, 4896, 4926, 5280, 5610, 5984, 6120, 6568, 6732, 7389, 7480, 7920, 8160, 8210, 8415, 8976, 9031, 9852, 11220, 12240, 12315, 13136, 13464, 13957, 14778, 14960, 15840, 16420, 16830, 17952, 18062, 19704, 22440, 24480, 24630, 26272, 26928, 27093, 27914, 29556, 29920, 32840, 33660, 36124, 36945, 39408, 41871, 44880, 45155, 49260, 53856, 54186, 55828, 59112, 65680, 67320, 69785, 72248, 73890, 78816, 81279, 83742, 89760, 90310, 98520, 108372, 111656, 118224, 125613, 131360, 134640, 135465, 139570, 144496, 147780, 153527, 162558, 167484, 180620, 197040, 209355, 216744, 223312, 236448, 251226, 269280, 270930, 279140, 288992, 295560, 307054, 325116, 334968, 361240, 394080, 406395, 418710, 433488, 446624, 460581, 502452, 541860, 558280, 591120, 614108, 628065, 650232, 669936, 722480, 767635, 812790, 837420, 866976, 921162, 1004904, 1083720, 1116560, 1182240, 1228216, 1256130, 1300464, 1339872, 1381743, 1444960, 1535270, 1625580, 1674840, 1842324, 2009808, 2167440, 2233120, 2302905, 2456432, 2512260, 2600928, 2763486, 3070540, 3251160, 3349680, 3684648, 4019616, 4334880, 4605810, 4912864, 5024520, 5526972, 6141080, 6502320, 6699360, 6908715, 7369296, 9211620, 10049040, 11053944, 12282160, 13004640, 13817430, 14738592, 18423240, 20098080, 22107888, 24564320, 27634860, 36846480, 44215776, 55269720, 73692960, 110539440, 221078880]

約数ペア:

[(1, 221078880), (2, 110539440), (3, 73692960), (4, 55269720), (5, 44215776), (6, 36846480), (8, 27634860), (9, 24564320), (10, 22107888), (11, 20098080), (12, 18423240), (15, 14738592), (16, 13817430), (17, 13004640), (18, 12282160), (20, 11053944), (22, 10049040), (24, 9211620), (30, 7369296), (32, 6908715), (33, 6699360), (34, 6502320), (36, 6141080), (40, 5526972), (44, 5024520), (45, 4912864), (48, 4605810), (51, 4334880), (55, 4019616), (60, 3684648), (66, 3349680), (68, 3251160), (72, 3070540), (80, 2763486), (85, 2600928), (88, 2512260), (90, 2456432), (96, 2302905), (99, 2233120), (102, 2167440), (110, 2009808), (120, 1842324), (132, 1674840), (136, 1625580), (144, 1535270), (153, 1444960), (160, 1381743), (165, 1339872), (170, 1300464), (176, 1256130), (180, 1228216), (187, 1182240), (198, 1116560), (204, 1083720), (220, 1004904), (240, 921162), (255, 866976), (264, 837420), (272, 812790), (288, 767635), (306, 722480), (330, 669936), (340, 650232), (352, 628065), (360, 614108), (374, 591120), (396, 558280), (408, 541860), (440, 502452), (480, 460581), (495, 446624), (510, 433488), (528, 418710), (544, 406395), (561, 394080), (612, 361240), (660, 334968), (680, 325116), (720, 307054), (748, 295560), (765, 288992), (792, 279140), (816, 270930), (821, 269280), (880, 251226), (935, 236448), (990, 223312), (1020, 216744), (1056, 209355), (1122, 197040), (1224, 180620), (1320, 167484), (1360, 162558), (1440, 153527), (1496, 147780), (1530, 144496), (1584, 139570), (1632, 135465), (1642, 134640), (1683, 131360), (1760, 125613), (1870, 118224), (1980, 111656), (2040, 108372), (2244, 98520), (2448, 90310), (2463, 89760), (2640, 83742), (2720, 81279), (2805, 78816), (2992, 73890), (3060, 72248), (3168, 69785), (3284, 67320), (3366, 65680), (3740, 59112), (3960, 55828), (4080, 54186), (4105, 53856), (4488, 49260), (4896, 45155), (4926, 44880), (5280, 41871), (5610, 39408), (5984, 36945), (6120, 36124), (6568, 33660), (6732, 32840), (7389, 29920), (7480, 29556), (7920, 27914), (8160, 27093), (8210, 26928), (8415, 26272), (8976, 24630), (9031, 24480), (9852, 22440), (11220, 19704), (12240, 18062), (12315, 17952), (13136, 16830), (13464, 16420), (13957, 15840), (14778, 14960)]