1280858400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3169

約数の個数: 288

約数和(自身を含む): 4877812800

約数和(自身を除く): 3596954400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 32, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 108, 114, 120, 135, 144, 150, 152, 160, 171, 180, 190, 200, 216, 225, 228, 240, 270, 285, 288, 300, 304, 342, 360, 380, 400, 432, 450, 456, 475, 480, 513, 540, 570, 600, 608, 675, 684, 720, 760, 800, 855, 864, 900, 912, 950, 1026, 1080, 1140, 1200, 1350, 1368, 1425, 1440, 1520, 1710, 1800, 1824, 1900, 2052, 2160, 2280, 2400, 2565, 2700, 2736, 2850, 3040, 3121, 3420, 3600, 3800, 4104, 4275, 4320, 4560, 5130, 5400, 5472, 5700, 6242, 6840, 7200, 7600, 8208, 8550, 9120, 9363, 10260, 10800, 11400, 12484, 12825, 13680, 15200, 15605, 16416, 17100, 18726, 20520, 21600, 22800, 24968, 25650, 27360, 28089, 31210, 34200, 37452, 41040, 45600, 46815, 49936, 51300, 56178, 59299, 62420, 68400, 74904, 78025, 82080, 84267, 93630, 99872, 102600, 112356, 118598, 124840, 136800, 140445, 149808, 156050, 168534, 177897, 187260, 205200, 224712, 234075, 237196, 249680, 280890, 296495, 299616, 312100, 337068, 355794, 374520, 410400, 421335, 449424, 468150, 474392, 499360, 533691, 561780, 592990, 624200, 674136, 702225, 711588, 749040, 842670, 889485, 898848, 936300, 948784, 1067382, 1123560, 1185980, 1248400, 1348272, 1404450, 1423176, 1482475, 1498080, 1601073, 1685340, 1778970, 1872600, 1897568, 2106675, 2134764, 2247120, 2371960, 2496800, 2668455, 2696544, 2808900, 2846352, 2964950, 3202146, 3370680, 3557940, 3745200, 4213350, 4269528, 4447425, 4494240, 4743920, 5336910, 5617800, 5692704, 5929900, 6404292, 6741360, 7115880, 7490400, 8005365, 8426700, 8539056, 8894850, 9487840, 10673820, 11235600, 11859800, 12808584, 13342275, 13482720, 14231760, 16010730, 16853400, 17078112, 17789700, 21347640, 22471200, 23719600, 25617168, 26684550, 28463520, 32021460, 33706800, 35579400, 40026825, 42695280, 47439200, 51234336, 53369100, 64042920, 67413600, 71158800, 80053650, 85390560, 106738200, 128085840, 142317600, 160107300, 213476400, 256171680, 320214600, 426952800, 640429200, 1280858400]

約数ペア:

[(1, 1280858400), (2, 640429200), (3, 426952800), (4, 320214600), (5, 256171680), (6, 213476400), (8, 160107300), (9, 142317600), (10, 128085840), (12, 106738200), (15, 85390560), (16, 80053650), (18, 71158800), (19, 67413600), (20, 64042920), (24, 53369100), (25, 51234336), (27, 47439200), (30, 42695280), (32, 40026825), (36, 35579400), (38, 33706800), (40, 32021460), (45, 28463520), (48, 26684550), (50, 25617168), (54, 23719600), (57, 22471200), (60, 21347640), (72, 17789700), (75, 17078112), (76, 16853400), (80, 16010730), (90, 14231760), (95, 13482720), (96, 13342275), (100, 12808584), (108, 11859800), (114, 11235600), (120, 10673820), (135, 9487840), (144, 8894850), (150, 8539056), (152, 8426700), (160, 8005365), (171, 7490400), (180, 7115880), (190, 6741360), (200, 6404292), (216, 5929900), (225, 5692704), (228, 5617800), (240, 5336910), (270, 4743920), (285, 4494240), (288, 4447425), (300, 4269528), (304, 4213350), (342, 3745200), (360, 3557940), (380, 3370680), (400, 3202146), (432, 2964950), (450, 2846352), (456, 2808900), (475, 2696544), (480, 2668455), (513, 2496800), (540, 2371960), (570, 2247120), (600, 2134764), (608, 2106675), (675, 1897568), (684, 1872600), (720, 1778970), (760, 1685340), (800, 1601073), (855, 1498080), (864, 1482475), (900, 1423176), (912, 1404450), (950, 1348272), (1026, 1248400), (1080, 1185980), (1140, 1123560), (1200, 1067382), (1350, 948784), (1368, 936300), (1425, 898848), (1440, 889485), (1520, 842670), (1710, 749040), (1800, 711588), (1824, 702225), (1900, 674136), (2052, 624200), (2160, 592990), (2280, 561780), (2400, 533691), (2565, 499360), (2700, 474392), (2736, 468150), (2850, 449424), (3040, 421335), (3121, 410400), (3420, 374520), (3600, 355794), (3800, 337068), (4104, 312100), (4275, 299616), (4320, 296495), (4560, 280890), (5130, 249680), (5400, 237196), (5472, 234075), (5700, 224712), (6242, 205200), (6840, 187260), (7200, 177897), (7600, 168534), (8208, 156050), (8550, 149808), (9120, 140445), (9363, 136800), (10260, 124840), (10800, 118598), (11400, 112356), (12484, 102600), (12825, 99872), (13680, 93630), (15200, 84267), (15605, 82080), (16416, 78025), (17100, 74904), (18726, 68400), (20520, 62420), (21600, 59299), (22800, 56178), (24968, 51300), (25650, 49936), (27360, 46815), (28089, 45600), (31210, 41040), (34200, 37452)]