491687040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19699}}^1$

素因数の和:19734

約数の個数: 128

約数和(自身を含む): 1687896000

約数和(自身を除く): 1196208960

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, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 19699, 24960, 39398, 59097, 78796, 98495, 118194, 157592, 196990, 236388, 256087, 295485, 315184, 393980, 472776, 512174, 590970, 630368, 768261, 787960, 945552, 1024348, 1181940, 1260736, 1280435, 1536522, 1575920, 1891104, 2048696, 2363880, 2521472, 2560870, 3073044, 3151840, 3782208, 3841305, 4097392, 4727760, 5121740, 6146088, 6303680, 7564416, 7682610, 8194784, 9455520, 10243480, 12292176, 12607360, 15365220, 16389568, 18911040, 20486960, 24584352, 30730440, 32779136, 37822080, 40973920, 49168704, 61460880, 81947840, 98337408, 122921760, 163895680, 245843520, 491687040]

約数ペア:

[(1, 491687040), (2, 245843520), (3, 163895680), (4, 122921760), (5, 98337408), (6, 81947840), (8, 61460880), (10, 49168704), (12, 40973920), (13, 37822080), (15, 32779136), (16, 30730440), (20, 24584352), (24, 20486960), (26, 18911040), (30, 16389568), (32, 15365220), (39, 12607360), (40, 12292176), (48, 10243480), (52, 9455520), (60, 8194784), (64, 7682610), (65, 7564416), (78, 6303680), (80, 6146088), (96, 5121740), (104, 4727760), (120, 4097392), (128, 3841305), (130, 3782208), (156, 3151840), (160, 3073044), (192, 2560870), (195, 2521472), (208, 2363880), (240, 2048696), (260, 1891104), (312, 1575920), (320, 1536522), (384, 1280435), (390, 1260736), (416, 1181940), (480, 1024348), (520, 945552), (624, 787960), (640, 768261), (780, 630368), (832, 590970), (960, 512174), (1040, 472776), (1248, 393980), (1560, 315184), (1664, 295485), (1920, 256087), (2080, 236388), (2496, 196990), (3120, 157592), (4160, 118194), (4992, 98495), (6240, 78796), (8320, 59097), (12480, 39398), (19699, 24960)]