256916400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 240

約数和(自身を含む): 909275136

約数和(自身を除く): 652358736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 43, 48, 50, 52, 60, 65, 75, 78, 80, 86, 100, 104, 120, 129, 130, 150, 156, 172, 195, 200, 208, 215, 240, 258, 260, 300, 312, 325, 344, 383, 390, 400, 430, 516, 520, 559, 600, 624, 645, 650, 688, 766, 780, 860, 975, 1032, 1040, 1075, 1118, 1149, 1200, 1290, 1300, 1532, 1560, 1677, 1720, 1915, 1950, 2064, 2150, 2236, 2298, 2580, 2600, 2795, 3064, 3120, 3225, 3354, 3440, 3830, 3900, 4300, 4472, 4596, 4979, 5160, 5200, 5590, 5745, 6128, 6450, 6708, 7660, 7800, 8385, 8600, 8944, 9192, 9575, 9958, 10320, 11180, 11490, 12900, 13416, 13975, 14937, 15320, 15600, 16469, 16770, 17200, 18384, 19150, 19916, 22360, 22980, 24895, 25800, 26832, 27950, 28725, 29874, 30640, 32938, 33540, 38300, 39832, 41925, 44720, 45960, 49407, 49790, 51600, 55900, 57450, 59748, 65876, 67080, 74685, 76600, 79664, 82345, 83850, 91920, 98814, 99580, 111800, 114900, 119496, 124475, 131752, 134160, 149370, 153200, 164690, 167700, 197628, 199160, 214097, 223600, 229800, 238992, 247035, 248950, 263504, 298740, 329380, 335400, 373425, 395256, 398320, 411725, 428194, 459600, 494070, 497900, 597480, 642291, 658760, 670800, 746850, 790512, 823450, 856388, 988140, 995800, 1070485, 1194960, 1235175, 1284582, 1317520, 1493700, 1646900, 1712776, 1976280, 1991600, 2140970, 2470350, 2569164, 2987400, 3211455, 3293800, 3425552, 3952560, 4281940, 4940700, 5138328, 5352425, 5974800, 6422910, 6587600, 8563880, 9881400, 10276656, 10704850, 12845820, 16057275, 17127760, 19762800, 21409700, 25691640, 32114550, 42819400, 51383280, 64229100, 85638800, 128458200, 256916400]

約数ペア:

[(1, 256916400), (2, 128458200), (3, 85638800), (4, 64229100), (5, 51383280), (6, 42819400), (8, 32114550), (10, 25691640), (12, 21409700), (13, 19762800), (15, 17127760), (16, 16057275), (20, 12845820), (24, 10704850), (25, 10276656), (26, 9881400), (30, 8563880), (39, 6587600), (40, 6422910), (43, 5974800), (48, 5352425), (50, 5138328), (52, 4940700), (60, 4281940), (65, 3952560), (75, 3425552), (78, 3293800), (80, 3211455), (86, 2987400), (100, 2569164), (104, 2470350), (120, 2140970), (129, 1991600), (130, 1976280), (150, 1712776), (156, 1646900), (172, 1493700), (195, 1317520), (200, 1284582), (208, 1235175), (215, 1194960), (240, 1070485), (258, 995800), (260, 988140), (300, 856388), (312, 823450), (325, 790512), (344, 746850), (383, 670800), (390, 658760), (400, 642291), (430, 597480), (516, 497900), (520, 494070), (559, 459600), (600, 428194), (624, 411725), (645, 398320), (650, 395256), (688, 373425), (766, 335400), (780, 329380), (860, 298740), (975, 263504), (1032, 248950), (1040, 247035), (1075, 238992), (1118, 229800), (1149, 223600), (1200, 214097), (1290, 199160), (1300, 197628), (1532, 167700), (1560, 164690), (1677, 153200), (1720, 149370), (1915, 134160), (1950, 131752), (2064, 124475), (2150, 119496), (2236, 114900), (2298, 111800), (2580, 99580), (2600, 98814), (2795, 91920), (3064, 83850), (3120, 82345), (3225, 79664), (3354, 76600), (3440, 74685), (3830, 67080), (3900, 65876), (4300, 59748), (4472, 57450), (4596, 55900), (4979, 51600), (5160, 49790), (5200, 49407), (5590, 45960), (5745, 44720), (6128, 41925), (6450, 39832), (6708, 38300), (7660, 33540), (7800, 32938), (8385, 30640), (8600, 29874), (8944, 28725), (9192, 27950), (9575, 26832), (9958, 25800), (10320, 24895), (11180, 22980), (11490, 22360), (12900, 19916), (13416, 19150), (13975, 18384), (14937, 17200), (15320, 16770), (15600, 16469)]