256543600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1283

約数の個数: 120

約数和(自身を含む): 674206848

約数和(自身を除く): 417663248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 170, 200, 248, 272, 310, 340, 400, 425, 496, 527, 620, 680, 775, 850, 1054, 1217, 1240, 1360, 1550, 1700, 2108, 2434, 2480, 2635, 3100, 3400, 4216, 4868, 5270, 6085, 6200, 6800, 8432, 9736, 10540, 12170, 12400, 13175, 19472, 20689, 21080, 24340, 26350, 30425, 37727, 41378, 42160, 48680, 52700, 60850, 75454, 82756, 97360, 103445, 105400, 121700, 150908, 165512, 188635, 206890, 210800, 243400, 301816, 331024, 377270, 413780, 486800, 517225, 603632, 641359, 754540, 827560, 943175, 1034450, 1282718, 1509080, 1655120, 1886350, 2068900, 2565436, 3018160, 3206795, 3772700, 4137800, 5130872, 6413590, 7545400, 8275600, 10261744, 12827180, 15090800, 16033975, 25654360, 32067950, 51308720, 64135900, 128271800, 256543600]

約数ペア:

[(1, 256543600), (2, 128271800), (4, 64135900), (5, 51308720), (8, 32067950), (10, 25654360), (16, 16033975), (17, 15090800), (20, 12827180), (25, 10261744), (31, 8275600), (34, 7545400), (40, 6413590), (50, 5130872), (62, 4137800), (68, 3772700), (80, 3206795), (85, 3018160), (100, 2565436), (124, 2068900), (136, 1886350), (155, 1655120), (170, 1509080), (200, 1282718), (248, 1034450), (272, 943175), (310, 827560), (340, 754540), (400, 641359), (425, 603632), (496, 517225), (527, 486800), (620, 413780), (680, 377270), (775, 331024), (850, 301816), (1054, 243400), (1217, 210800), (1240, 206890), (1360, 188635), (1550, 165512), (1700, 150908), (2108, 121700), (2434, 105400), (2480, 103445), (2635, 97360), (3100, 82756), (3400, 75454), (4216, 60850), (4868, 52700), (5270, 48680), (6085, 42160), (6200, 41378), (6800, 37727), (8432, 30425), (9736, 26350), (10540, 24340), (12170, 21080), (12400, 20689), (13175, 19472)]