79578240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 256

約数和(自身を含む): 300810240

約数和(自身を除く): 221232000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 191, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 382, 384, 420, 434, 448, 465, 480, 496, 560, 573, 620, 640, 651, 672, 744, 764, 840, 868, 896, 930, 955, 960, 992, 1085, 1120, 1146, 1240, 1302, 1337, 1344, 1488, 1528, 1680, 1736, 1860, 1910, 1920, 1984, 2170, 2240, 2292, 2480, 2604, 2674, 2688, 2865, 2976, 3056, 3255, 3360, 3472, 3720, 3820, 3968, 4011, 4340, 4480, 4584, 4960, 5208, 5348, 5730, 5921, 5952, 6112, 6510, 6685, 6720, 6944, 7440, 7640, 8022, 8680, 9168, 9920, 10416, 10696, 11460, 11842, 11904, 12224, 13020, 13370, 13440, 13888, 14880, 15280, 16044, 17360, 17763, 18336, 19840, 20055, 20832, 21392, 22920, 23684, 24448, 26040, 26740, 27776, 29605, 29760, 30560, 32088, 34720, 35526, 36672, 40110, 41447, 41664, 42784, 45840, 47368, 52080, 53480, 59210, 59520, 61120, 64176, 69440, 71052, 73344, 80220, 82894, 83328, 85568, 88815, 91680, 94736, 104160, 106960, 118420, 122240, 124341, 128352, 138880, 142104, 160440, 165788, 171136, 177630, 183360, 189472, 207235, 208320, 213920, 236840, 248682, 256704, 284208, 320880, 331576, 355260, 366720, 378944, 414470, 416640, 427840, 473680, 497364, 513408, 568416, 621705, 641760, 663152, 710520, 757888, 828940, 855680, 947360, 994728, 1136832, 1243410, 1283520, 1326304, 1421040, 1657880, 1894720, 1989456, 2273664, 2486820, 2567040, 2652608, 2842080, 3315760, 3789440, 3978912, 4973640, 5305216, 5684160, 6631520, 7957824, 9947280, 11368320, 13263040, 15915648, 19894560, 26526080, 39789120, 79578240]

約数ペア:

[(1, 79578240), (2, 39789120), (3, 26526080), (4, 19894560), (5, 15915648), (6, 13263040), (7, 11368320), (8, 9947280), (10, 7957824), (12, 6631520), (14, 5684160), (15, 5305216), (16, 4973640), (20, 3978912), (21, 3789440), (24, 3315760), (28, 2842080), (30, 2652608), (31, 2567040), (32, 2486820), (35, 2273664), (40, 1989456), (42, 1894720), (48, 1657880), (56, 1421040), (60, 1326304), (62, 1283520), (64, 1243410), (70, 1136832), (80, 994728), (84, 947360), (93, 855680), (96, 828940), (105, 757888), (112, 710520), (120, 663152), (124, 641760), (128, 621705), (140, 568416), (155, 513408), (160, 497364), (168, 473680), (186, 427840), (191, 416640), (192, 414470), (210, 378944), (217, 366720), (224, 355260), (240, 331576), (248, 320880), (280, 284208), (310, 256704), (320, 248682), (336, 236840), (372, 213920), (382, 208320), (384, 207235), (420, 189472), (434, 183360), (448, 177630), (465, 171136), (480, 165788), (496, 160440), (560, 142104), (573, 138880), (620, 128352), (640, 124341), (651, 122240), (672, 118420), (744, 106960), (764, 104160), (840, 94736), (868, 91680), (896, 88815), (930, 85568), (955, 83328), (960, 82894), (992, 80220), (1085, 73344), (1120, 71052), (1146, 69440), (1240, 64176), (1302, 61120), (1337, 59520), (1344, 59210), (1488, 53480), (1528, 52080), (1680, 47368), (1736, 45840), (1860, 42784), (1910, 41664), (1920, 41447), (1984, 40110), (2170, 36672), (2240, 35526), (2292, 34720), (2480, 32088), (2604, 30560), (2674, 29760), (2688, 29605), (2865, 27776), (2976, 26740), (3056, 26040), (3255, 24448), (3360, 23684), (3472, 22920), (3720, 21392), (3820, 20832), (3968, 20055), (4011, 19840), (4340, 18336), (4480, 17763), (4584, 17360), (4960, 16044), (5208, 15280), (5348, 14880), (5730, 13888), (5921, 13440), (5952, 13370), (6112, 13020), (6510, 12224), (6685, 11904), (6720, 11842), (6944, 11460), (7440, 10696), (7640, 10416), (8022, 9920), (8680, 9168)]