164590160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 160

約数和(自身を含む): 476160000

約数和(自身を除く): 311569840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 499, 532, 560, 589, 620, 665, 760, 868, 998, 1064, 1085, 1178, 1240, 1330, 1520, 1736, 1996, 2128, 2170, 2356, 2480, 2495, 2660, 2945, 3472, 3493, 3992, 4123, 4340, 4712, 4990, 5320, 5890, 6986, 7984, 8246, 8680, 9424, 9481, 9980, 10640, 11780, 13972, 15469, 16492, 17360, 17465, 18962, 19960, 20615, 23560, 27944, 30938, 32984, 34930, 37924, 39920, 41230, 47120, 47405, 55888, 61876, 65968, 66367, 69860, 75848, 77345, 82460, 94810, 108283, 123752, 132734, 139720, 151696, 154690, 164920, 189620, 216566, 247504, 265468, 279440, 293911, 309380, 329840, 331835, 379240, 433132, 530936, 541415, 587822, 618760, 663670, 758480, 866264, 1061872, 1082830, 1175644, 1237520, 1327340, 1469555, 1732528, 2057377, 2165660, 2351288, 2654680, 2939110, 4114754, 4331320, 4702576, 5309360, 5878220, 8229508, 8662640, 10286885, 11756440, 16459016, 20573770, 23512880, 32918032, 41147540, 82295080, 164590160]

約数ペア:

[(1, 164590160), (2, 82295080), (4, 41147540), (5, 32918032), (7, 23512880), (8, 20573770), (10, 16459016), (14, 11756440), (16, 10286885), (19, 8662640), (20, 8229508), (28, 5878220), (31, 5309360), (35, 4702576), (38, 4331320), (40, 4114754), (56, 2939110), (62, 2654680), (70, 2351288), (76, 2165660), (80, 2057377), (95, 1732528), (112, 1469555), (124, 1327340), (133, 1237520), (140, 1175644), (152, 1082830), (155, 1061872), (190, 866264), (217, 758480), (248, 663670), (266, 618760), (280, 587822), (304, 541415), (310, 530936), (380, 433132), (434, 379240), (496, 331835), (499, 329840), (532, 309380), (560, 293911), (589, 279440), (620, 265468), (665, 247504), (760, 216566), (868, 189620), (998, 164920), (1064, 154690), (1085, 151696), (1178, 139720), (1240, 132734), (1330, 123752), (1520, 108283), (1736, 94810), (1996, 82460), (2128, 77345), (2170, 75848), (2356, 69860), (2480, 66367), (2495, 65968), (2660, 61876), (2945, 55888), (3472, 47405), (3493, 47120), (3992, 41230), (4123, 39920), (4340, 37924), (4712, 34930), (4990, 32984), (5320, 30938), (5890, 27944), (6986, 23560), (7984, 20615), (8246, 19960), (8680, 18962), (9424, 17465), (9481, 17360), (9980, 16492), (10640, 15469), (11780, 13972)]