256774800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 240

約数和(自身を含む): 895067712

約数和(自身を除く): 638292912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 41, 48, 50, 51, 60, 68, 75, 80, 82, 85, 100, 102, 120, 123, 136, 150, 164, 170, 200, 204, 205, 240, 246, 255, 272, 300, 307, 328, 340, 400, 408, 410, 425, 492, 510, 600, 614, 615, 656, 680, 697, 816, 820, 850, 921, 984, 1020, 1025, 1200, 1228, 1230, 1275, 1360, 1394, 1535, 1640, 1700, 1842, 1968, 2040, 2050, 2091, 2456, 2460, 2550, 2788, 3070, 3075, 3280, 3400, 3485, 3684, 4080, 4100, 4182, 4605, 4912, 4920, 5100, 5219, 5576, 6140, 6150, 6800, 6970, 7368, 7675, 8200, 8364, 9210, 9840, 10200, 10438, 10455, 11152, 12280, 12300, 12587, 13940, 14736, 15350, 15657, 16400, 16728, 17425, 18420, 20400, 20876, 20910, 23025, 24560, 24600, 25174, 26095, 27880, 30700, 31314, 33456, 34850, 36840, 37761, 41752, 41820, 46050, 49200, 50348, 52190, 52275, 55760, 61400, 62628, 62935, 69700, 73680, 75522, 78285, 83504, 83640, 92100, 100696, 104380, 104550, 122800, 125256, 125870, 130475, 139400, 151044, 156570, 167280, 184200, 188805, 201392, 208760, 209100, 213979, 250512, 251740, 260950, 278800, 302088, 313140, 314675, 368400, 377610, 391425, 417520, 418200, 427958, 503480, 521900, 604176, 626280, 629350, 641937, 755220, 782850, 836400, 855916, 944025, 1006960, 1043800, 1069895, 1252560, 1258700, 1283874, 1510440, 1565700, 1711832, 1888050, 2087600, 2139790, 2517400, 2567748, 3020880, 3131400, 3209685, 3423664, 3776100, 4279580, 5034800, 5135496, 5349475, 6262800, 6419370, 7552200, 8559160, 10270992, 10698950, 12838740, 15104400, 16048425, 17118320, 21397900, 25677480, 32096850, 42795800, 51354960, 64193700, 85591600, 128387400, 256774800]

約数ペア:

[(1, 256774800), (2, 128387400), (3, 85591600), (4, 64193700), (5, 51354960), (6, 42795800), (8, 32096850), (10, 25677480), (12, 21397900), (15, 17118320), (16, 16048425), (17, 15104400), (20, 12838740), (24, 10698950), (25, 10270992), (30, 8559160), (34, 7552200), (40, 6419370), (41, 6262800), (48, 5349475), (50, 5135496), (51, 5034800), (60, 4279580), (68, 3776100), (75, 3423664), (80, 3209685), (82, 3131400), (85, 3020880), (100, 2567748), (102, 2517400), (120, 2139790), (123, 2087600), (136, 1888050), (150, 1711832), (164, 1565700), (170, 1510440), (200, 1283874), (204, 1258700), (205, 1252560), (240, 1069895), (246, 1043800), (255, 1006960), (272, 944025), (300, 855916), (307, 836400), (328, 782850), (340, 755220), (400, 641937), (408, 629350), (410, 626280), (425, 604176), (492, 521900), (510, 503480), (600, 427958), (614, 418200), (615, 417520), (656, 391425), (680, 377610), (697, 368400), (816, 314675), (820, 313140), (850, 302088), (921, 278800), (984, 260950), (1020, 251740), (1025, 250512), (1200, 213979), (1228, 209100), (1230, 208760), (1275, 201392), (1360, 188805), (1394, 184200), (1535, 167280), (1640, 156570), (1700, 151044), (1842, 139400), (1968, 130475), (2040, 125870), (2050, 125256), (2091, 122800), (2456, 104550), (2460, 104380), (2550, 100696), (2788, 92100), (3070, 83640), (3075, 83504), (3280, 78285), (3400, 75522), (3485, 73680), (3684, 69700), (4080, 62935), (4100, 62628), (4182, 61400), (4605, 55760), (4912, 52275), (4920, 52190), (5100, 50348), (5219, 49200), (5576, 46050), (6140, 41820), (6150, 41752), (6800, 37761), (6970, 36840), (7368, 34850), (7675, 33456), (8200, 31314), (8364, 30700), (9210, 27880), (9840, 26095), (10200, 25174), (10438, 24600), (10455, 24560), (11152, 23025), (12280, 20910), (12300, 20876), (12587, 20400), (13940, 18420), (14736, 17425), (15350, 16728), (15657, 16400)]