268474880

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 438622720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 199, 248, 256, 272, 310, 320, 340, 398, 496, 512, 527, 544, 620, 640, 680, 796, 992, 995, 1054, 1088, 1240, 1280, 1360, 1592, 1984, 1990, 2108, 2176, 2480, 2560, 2635, 2720, 3184, 3383, 3968, 3980, 4216, 4352, 4960, 5270, 5440, 6169, 6368, 6766, 7936, 7960, 8432, 8704, 9920, 10540, 10880, 12338, 12736, 13532, 15872, 15920, 16864, 16915, 19840, 21080, 21760, 24676, 25472, 27064, 30845, 31840, 33728, 33830, 39680, 42160, 43520, 49352, 50944, 54128, 61690, 63680, 67456, 67660, 79360, 84320, 98704, 101888, 104873, 108256, 123380, 127360, 134912, 135320, 168640, 197408, 209746, 216512, 246760, 254720, 269824, 270640, 337280, 394816, 419492, 433024, 493520, 509440, 524365, 541280, 674560, 789632, 838984, 866048, 987040, 1048730, 1082560, 1349120, 1579264, 1677968, 1732096, 1974080, 2097460, 2165120, 3158528, 3355936, 3948160, 4194920, 4330240, 6711872, 7896320, 8389840, 8660480, 13423744, 15792640, 16779680, 26847488, 33559360, 53694976, 67118720, 134237440, 268474880]

約数ペア:

[(1, 268474880), (2, 134237440), (4, 67118720), (5, 53694976), (8, 33559360), (10, 26847488), (16, 16779680), (17, 15792640), (20, 13423744), (31, 8660480), (32, 8389840), (34, 7896320), (40, 6711872), (62, 4330240), (64, 4194920), (68, 3948160), (80, 3355936), (85, 3158528), (124, 2165120), (128, 2097460), (136, 1974080), (155, 1732096), (160, 1677968), (170, 1579264), (199, 1349120), (248, 1082560), (256, 1048730), (272, 987040), (310, 866048), (320, 838984), (340, 789632), (398, 674560), (496, 541280), (512, 524365), (527, 509440), (544, 493520), (620, 433024), (640, 419492), (680, 394816), (796, 337280), (992, 270640), (995, 269824), (1054, 254720), (1088, 246760), (1240, 216512), (1280, 209746), (1360, 197408), (1592, 168640), (1984, 135320), (1990, 134912), (2108, 127360), (2176, 123380), (2480, 108256), (2560, 104873), (2635, 101888), (2720, 98704), (3184, 84320), (3383, 79360), (3968, 67660), (3980, 67456), (4216, 63680), (4352, 61690), (4960, 54128), (5270, 50944), (5440, 49352), (6169, 43520), (6368, 42160), (6766, 39680), (7936, 33830), (7960, 33728), (8432, 31840), (8704, 30845), (9920, 27064), (10540, 25472), (10880, 24676), (12338, 21760), (12736, 21080), (13532, 19840), (15872, 16915), (15920, 16864)]