1264889600

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:723

約数の個数: 216

約数和(自身を含む): 3523545312

約数和(自身を除く): 2258655712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 64, 65, 80, 92, 100, 104, 115, 128, 130, 160, 184, 200, 208, 230, 256, 260, 299, 320, 325, 368, 400, 416, 460, 520, 575, 598, 640, 650, 661, 736, 800, 832, 920, 1040, 1150, 1196, 1280, 1300, 1322, 1472, 1495, 1600, 1664, 1840, 2080, 2300, 2392, 2600, 2644, 2944, 2990, 3200, 3305, 3328, 3680, 4160, 4600, 4784, 5200, 5288, 5888, 5980, 6400, 6610, 7360, 7475, 8320, 8593, 9200, 9568, 10400, 10576, 11960, 13220, 14720, 14950, 15203, 16525, 16640, 17186, 18400, 19136, 20800, 21152, 23920, 26440, 29440, 29900, 30406, 33050, 34372, 36800, 38272, 41600, 42304, 42965, 47840, 52880, 59800, 60812, 66100, 68744, 73600, 76015, 76544, 83200, 84608, 85930, 95680, 105760, 119600, 121624, 132200, 137488, 147200, 152030, 169216, 171860, 191360, 197639, 211520, 214825, 239200, 243248, 264400, 274976, 304060, 343720, 380075, 382720, 395278, 423040, 429650, 478400, 486496, 528800, 549952, 608120, 687440, 760150, 790556, 846080, 859300, 956800, 972992, 988195, 1057600, 1099904, 1216240, 1374880, 1520300, 1581112, 1718600, 1913600, 1945984, 1976390, 2115200, 2199808, 2432480, 2749760, 3040600, 3162224, 3437200, 3891968, 3952780, 4230400, 4864960, 4940975, 5499520, 6081200, 6324448, 6874400, 7905560, 9729920, 9881950, 10999040, 12162400, 12648896, 13748800, 15811120, 19459840, 19763900, 24324800, 25297792, 27497600, 31622240, 39527800, 48649600, 50595584, 54995200, 63244480, 79055600, 97299200, 126488960, 158111200, 252977920, 316222400, 632444800, 1264889600]

約数ペア:

[(1, 1264889600), (2, 632444800), (4, 316222400), (5, 252977920), (8, 158111200), (10, 126488960), (13, 97299200), (16, 79055600), (20, 63244480), (23, 54995200), (25, 50595584), (26, 48649600), (32, 39527800), (40, 31622240), (46, 27497600), (50, 25297792), (52, 24324800), (64, 19763900), (65, 19459840), (80, 15811120), (92, 13748800), (100, 12648896), (104, 12162400), (115, 10999040), (128, 9881950), (130, 9729920), (160, 7905560), (184, 6874400), (200, 6324448), (208, 6081200), (230, 5499520), (256, 4940975), (260, 4864960), (299, 4230400), (320, 3952780), (325, 3891968), (368, 3437200), (400, 3162224), (416, 3040600), (460, 2749760), (520, 2432480), (575, 2199808), (598, 2115200), (640, 1976390), (650, 1945984), (661, 1913600), (736, 1718600), (800, 1581112), (832, 1520300), (920, 1374880), (1040, 1216240), (1150, 1099904), (1196, 1057600), (1280, 988195), (1300, 972992), (1322, 956800), (1472, 859300), (1495, 846080), (1600, 790556), (1664, 760150), (1840, 687440), (2080, 608120), (2300, 549952), (2392, 528800), (2600, 486496), (2644, 478400), (2944, 429650), (2990, 423040), (3200, 395278), (3305, 382720), (3328, 380075), (3680, 343720), (4160, 304060), (4600, 274976), (4784, 264400), (5200, 243248), (5288, 239200), (5888, 214825), (5980, 211520), (6400, 197639), (6610, 191360), (7360, 171860), (7475, 169216), (8320, 152030), (8593, 147200), (9200, 137488), (9568, 132200), (10400, 121624), (10576, 119600), (11960, 105760), (13220, 95680), (14720, 85930), (14950, 84608), (15203, 83200), (16525, 76544), (16640, 76015), (17186, 73600), (18400, 68744), (19136, 66100), (20800, 60812), (21152, 59800), (23920, 52880), (26440, 47840), (29440, 42965), (29900, 42304), (30406, 41600), (33050, 38272), (34372, 36800)]