255573920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 192

約数和(自身を含む): 755951616

約数和(自身を除く): 500377696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 340, 433, 434, 476, 496, 527, 544, 560, 595, 620, 680, 866, 868, 952, 992, 1054, 1085, 1120, 1190, 1240, 1360, 1732, 1736, 1904, 2108, 2165, 2170, 2380, 2480, 2635, 2720, 3031, 3464, 3472, 3689, 3808, 4216, 4330, 4340, 4760, 4960, 5270, 6062, 6928, 6944, 7361, 7378, 8432, 8660, 8680, 9520, 10540, 12124, 13423, 13856, 14722, 14756, 15155, 16864, 17320, 17360, 18445, 19040, 21080, 24248, 26846, 29444, 29512, 30310, 34640, 34720, 36805, 36890, 42160, 48496, 51527, 53692, 58888, 59024, 60620, 67115, 69280, 73610, 73780, 84320, 93961, 96992, 103054, 107384, 117776, 118048, 121240, 134230, 147220, 147560, 187922, 206108, 214768, 228191, 235552, 242480, 257635, 268460, 294440, 295120, 375844, 412216, 429536, 456382, 469805, 484960, 515270, 536920, 588880, 590240, 751688, 824432, 912764, 939610, 1030540, 1073840, 1140955, 1177760, 1503376, 1597337, 1648864, 1825528, 1879220, 2061080, 2147680, 2281910, 3006752, 3194674, 3651056, 3758440, 4122160, 4563820, 6389348, 7302112, 7516880, 7986685, 8244320, 9127640, 12778696, 15033760, 15973370, 18255280, 25557392, 31946740, 36510560, 51114784, 63893480, 127786960, 255573920]

約数ペア:

[(1, 255573920), (2, 127786960), (4, 63893480), (5, 51114784), (7, 36510560), (8, 31946740), (10, 25557392), (14, 18255280), (16, 15973370), (17, 15033760), (20, 12778696), (28, 9127640), (31, 8244320), (32, 7986685), (34, 7516880), (35, 7302112), (40, 6389348), (56, 4563820), (62, 4122160), (68, 3758440), (70, 3651056), (80, 3194674), (85, 3006752), (112, 2281910), (119, 2147680), (124, 2061080), (136, 1879220), (140, 1825528), (155, 1648864), (160, 1597337), (170, 1503376), (217, 1177760), (224, 1140955), (238, 1073840), (248, 1030540), (272, 939610), (280, 912764), (310, 824432), (340, 751688), (433, 590240), (434, 588880), (476, 536920), (496, 515270), (527, 484960), (544, 469805), (560, 456382), (595, 429536), (620, 412216), (680, 375844), (866, 295120), (868, 294440), (952, 268460), (992, 257635), (1054, 242480), (1085, 235552), (1120, 228191), (1190, 214768), (1240, 206108), (1360, 187922), (1732, 147560), (1736, 147220), (1904, 134230), (2108, 121240), (2165, 118048), (2170, 117776), (2380, 107384), (2480, 103054), (2635, 96992), (2720, 93961), (3031, 84320), (3464, 73780), (3472, 73610), (3689, 69280), (3808, 67115), (4216, 60620), (4330, 59024), (4340, 58888), (4760, 53692), (4960, 51527), (5270, 48496), (6062, 42160), (6928, 36890), (6944, 36805), (7361, 34720), (7378, 34640), (8432, 30310), (8660, 29512), (8680, 29444), (9520, 26846), (10540, 24248), (12124, 21080), (13423, 19040), (13856, 18445), (14722, 17360), (14756, 17320), (15155, 16864)]