1557229440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:825

約数の個数: 256

約数和(自身を含む): 5413262400

約数和(自身を除く): 3856032960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 89, 96, 104, 120, 128, 130, 156, 160, 178, 192, 195, 208, 240, 260, 267, 312, 320, 356, 384, 390, 416, 445, 480, 520, 534, 624, 640, 701, 712, 780, 832, 890, 960, 1040, 1068, 1157, 1248, 1335, 1402, 1424, 1560, 1664, 1780, 1920, 2080, 2103, 2136, 2314, 2496, 2670, 2804, 2848, 3120, 3471, 3505, 3560, 4160, 4206, 4272, 4628, 4992, 5340, 5608, 5696, 5785, 6240, 6942, 7010, 7120, 8320, 8412, 8544, 9113, 9256, 10515, 10680, 11216, 11392, 11570, 12480, 13884, 14020, 14240, 16824, 17088, 17355, 18226, 18512, 21030, 21360, 22432, 23140, 24960, 27339, 27768, 28040, 28480, 33648, 34176, 34710, 36452, 37024, 42060, 42720, 44864, 45565, 46280, 54678, 55536, 56080, 56960, 62389, 67296, 69420, 72904, 74048, 84120, 85440, 89728, 91130, 92560, 109356, 111072, 112160, 124778, 134592, 136695, 138840, 145808, 148096, 168240, 170880, 182260, 185120, 187167, 218712, 222144, 224320, 249556, 269184, 273390, 277680, 291616, 311945, 336480, 364520, 370240, 374334, 437424, 444288, 448640, 499112, 546780, 555360, 583232, 623890, 672960, 729040, 740480, 748668, 811057, 874848, 935835, 998224, 1093560, 1110720, 1166464, 1247780, 1345920, 1458080, 1497336, 1622114, 1749696, 1871670, 1996448, 2187120, 2221440, 2433171, 2495560, 2916160, 2994672, 3244228, 3499392, 3743340, 3992896, 4055285, 4374240, 4866342, 4991120, 5832320, 5989344, 6488456, 7486680, 7985792, 8110570, 8748480, 9732684, 9982240, 11978688, 12165855, 12976912, 14973360, 16221140, 17496960, 19465368, 19964480, 23957376, 24331710, 25953824, 29946720, 32442280, 38930736, 39928960, 48663420, 51907648, 59893440, 64884560, 77861472, 97326840, 103815296, 119786880, 129769120, 155722944, 194653680, 259538240, 311445888, 389307360, 519076480, 778614720, 1557229440]

約数ペア:

[(1, 1557229440), (2, 778614720), (3, 519076480), (4, 389307360), (5, 311445888), (6, 259538240), (8, 194653680), (10, 155722944), (12, 129769120), (13, 119786880), (15, 103815296), (16, 97326840), (20, 77861472), (24, 64884560), (26, 59893440), (30, 51907648), (32, 48663420), (39, 39928960), (40, 38930736), (48, 32442280), (52, 29946720), (60, 25953824), (64, 24331710), (65, 23957376), (78, 19964480), (80, 19465368), (89, 17496960), (96, 16221140), (104, 14973360), (120, 12976912), (128, 12165855), (130, 11978688), (156, 9982240), (160, 9732684), (178, 8748480), (192, 8110570), (195, 7985792), (208, 7486680), (240, 6488456), (260, 5989344), (267, 5832320), (312, 4991120), (320, 4866342), (356, 4374240), (384, 4055285), (390, 3992896), (416, 3743340), (445, 3499392), (480, 3244228), (520, 2994672), (534, 2916160), (624, 2495560), (640, 2433171), (701, 2221440), (712, 2187120), (780, 1996448), (832, 1871670), (890, 1749696), (960, 1622114), (1040, 1497336), (1068, 1458080), (1157, 1345920), (1248, 1247780), (1335, 1166464), (1402, 1110720), (1424, 1093560), (1560, 998224), (1664, 935835), (1780, 874848), (1920, 811057), (2080, 748668), (2103, 740480), (2136, 729040), (2314, 672960), (2496, 623890), (2670, 583232), (2804, 555360), (2848, 546780), (3120, 499112), (3471, 448640), (3505, 444288), (3560, 437424), (4160, 374334), (4206, 370240), (4272, 364520), (4628, 336480), (4992, 311945), (5340, 291616), (5608, 277680), (5696, 273390), (5785, 269184), (6240, 249556), (6942, 224320), (7010, 222144), (7120, 218712), (8320, 187167), (8412, 185120), (8544, 182260), (9113, 170880), (9256, 168240), (10515, 148096), (10680, 145808), (11216, 138840), (11392, 136695), (11570, 134592), (12480, 124778), (13884, 112160), (14020, 111072), (14240, 109356), (16824, 92560), (17088, 91130), (17355, 89728), (18226, 85440), (18512, 84120), (21030, 74048), (21360, 72904), (22432, 69420), (23140, 67296), (24960, 62389), (27339, 56960), (27768, 56080), (28040, 55536), (28480, 54678), (33648, 46280), (34176, 45565), (34710, 44864), (36452, 42720), (37024, 42060)]