68209920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 244887552

約数和(自身を除く): 176677632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 191, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 382, 384, 465, 480, 496, 558, 573, 576, 620, 640, 720, 744, 764, 768, 930, 955, 960, 992, 1116, 1146, 1152, 1240, 1280, 1395, 1440, 1488, 1528, 1719, 1860, 1910, 1920, 1984, 2232, 2292, 2304, 2480, 2790, 2865, 2880, 2976, 3056, 3438, 3720, 3820, 3840, 3968, 4464, 4584, 4960, 5580, 5730, 5760, 5921, 5952, 6112, 6876, 7440, 7640, 7936, 8595, 8928, 9168, 9920, 11160, 11460, 11520, 11842, 11904, 12224, 13752, 14880, 15280, 17190, 17763, 17856, 18336, 19840, 22320, 22920, 23684, 23808, 24448, 27504, 29605, 29760, 30560, 34380, 35526, 35712, 36672, 39680, 44640, 45840, 47368, 48896, 53289, 55008, 59210, 59520, 61120, 68760, 71052, 71424, 73344, 88815, 89280, 91680, 94736, 106578, 110016, 118420, 119040, 122240, 137520, 142104, 146688, 177630, 178560, 183360, 189472, 213156, 220032, 236840, 244480, 266445, 275040, 284208, 355260, 357120, 366720, 378944, 426312, 440064, 473680, 532890, 550080, 568416, 710520, 733440, 757888, 852624, 947360, 1065780, 1100160, 1136832, 1421040, 1515776, 1705248, 1894720, 2131560, 2200320, 2273664, 2842080, 3410496, 3789440, 4263120, 4547328, 5684160, 6820992, 7578880, 8526240, 11368320, 13641984, 17052480, 22736640, 34104960, 68209920]

約数ペア:

[(1, 68209920), (2, 34104960), (3, 22736640), (4, 17052480), (5, 13641984), (6, 11368320), (8, 8526240), (9, 7578880), (10, 6820992), (12, 5684160), (15, 4547328), (16, 4263120), (18, 3789440), (20, 3410496), (24, 2842080), (30, 2273664), (31, 2200320), (32, 2131560), (36, 1894720), (40, 1705248), (45, 1515776), (48, 1421040), (60, 1136832), (62, 1100160), (64, 1065780), (72, 947360), (80, 852624), (90, 757888), (93, 733440), (96, 710520), (120, 568416), (124, 550080), (128, 532890), (144, 473680), (155, 440064), (160, 426312), (180, 378944), (186, 366720), (191, 357120), (192, 355260), (240, 284208), (248, 275040), (256, 266445), (279, 244480), (288, 236840), (310, 220032), (320, 213156), (360, 189472), (372, 183360), (382, 178560), (384, 177630), (465, 146688), (480, 142104), (496, 137520), (558, 122240), (573, 119040), (576, 118420), (620, 110016), (640, 106578), (720, 94736), (744, 91680), (764, 89280), (768, 88815), (930, 73344), (955, 71424), (960, 71052), (992, 68760), (1116, 61120), (1146, 59520), (1152, 59210), (1240, 55008), (1280, 53289), (1395, 48896), (1440, 47368), (1488, 45840), (1528, 44640), (1719, 39680), (1860, 36672), (1910, 35712), (1920, 35526), (1984, 34380), (2232, 30560), (2292, 29760), (2304, 29605), (2480, 27504), (2790, 24448), (2865, 23808), (2880, 23684), (2976, 22920), (3056, 22320), (3438, 19840), (3720, 18336), (3820, 17856), (3840, 17763), (3968, 17190), (4464, 15280), (4584, 14880), (4960, 13752), (5580, 12224), (5730, 11904), (5760, 11842), (5921, 11520), (5952, 11460), (6112, 11160), (6876, 9920), (7440, 9168), (7640, 8928), (7936, 8595)]