401080320

素因数分解:

$2^{19}\times 3^2\times 5^1\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 240

約数和(自身を含む): 1472199300

約数和(自身を除く): 1071118980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1024, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1920, 2040, 2048, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3072, 3264, 3840, 4080, 4096, 4352, 4608, 4896, 5120, 5440, 5760, 6120, 6144, 6528, 7680, 8160, 8192, 8704, 9216, 9792, 10240, 10880, 11520, 12240, 12288, 13056, 15360, 16320, 16384, 17408, 18432, 19584, 20480, 21760, 23040, 24480, 24576, 26112, 30720, 32640, 32768, 34816, 36864, 39168, 40960, 43520, 46080, 48960, 49152, 52224, 61440, 65280, 65536, 69632, 73728, 78336, 81920, 87040, 92160, 97920, 98304, 104448, 122880, 130560, 131072, 139264, 147456, 156672, 163840, 174080, 184320, 195840, 196608, 208896, 245760, 261120, 262144, 278528, 294912, 313344, 327680, 348160, 368640, 391680, 393216, 417792, 491520, 522240, 524288, 557056, 589824, 626688, 655360, 696320, 737280, 783360, 786432, 835584, 983040, 1044480, 1114112, 1179648, 1253376, 1310720, 1392640, 1474560, 1566720, 1572864, 1671168, 1966080, 2088960, 2228224, 2359296, 2506752, 2621440, 2785280, 2949120, 3133440, 3342336, 3932160, 4177920, 4456448, 4718592, 5013504, 5570560, 5898240, 6266880, 6684672, 7864320, 8355840, 8912896, 10027008, 11141120, 11796480, 12533760, 13369344, 16711680, 20054016, 22282240, 23592960, 25067520, 26738688, 33423360, 40108032, 44564480, 50135040, 66846720, 80216064, 100270080, 133693440, 200540160, 401080320]

約数ペア:

[(1, 401080320), (2, 200540160), (3, 133693440), (4, 100270080), (5, 80216064), (6, 66846720), (8, 50135040), (9, 44564480), (10, 40108032), (12, 33423360), (15, 26738688), (16, 25067520), (17, 23592960), (18, 22282240), (20, 20054016), (24, 16711680), (30, 13369344), (32, 12533760), (34, 11796480), (36, 11141120), (40, 10027008), (45, 8912896), (48, 8355840), (51, 7864320), (60, 6684672), (64, 6266880), (68, 5898240), (72, 5570560), (80, 5013504), (85, 4718592), (90, 4456448), (96, 4177920), (102, 3932160), (120, 3342336), (128, 3133440), (136, 2949120), (144, 2785280), (153, 2621440), (160, 2506752), (170, 2359296), (180, 2228224), (192, 2088960), (204, 1966080), (240, 1671168), (255, 1572864), (256, 1566720), (272, 1474560), (288, 1392640), (306, 1310720), (320, 1253376), (340, 1179648), (360, 1114112), (384, 1044480), (408, 983040), (480, 835584), (510, 786432), (512, 783360), (544, 737280), (576, 696320), (612, 655360), (640, 626688), (680, 589824), (720, 557056), (765, 524288), (768, 522240), (816, 491520), (960, 417792), (1020, 393216), (1024, 391680), (1088, 368640), (1152, 348160), (1224, 327680), (1280, 313344), (1360, 294912), (1440, 278528), (1530, 262144), (1536, 261120), (1632, 245760), (1920, 208896), (2040, 196608), (2048, 195840), (2176, 184320), (2304, 174080), (2448, 163840), (2560, 156672), (2720, 147456), (2880, 139264), (3060, 131072), (3072, 130560), (3264, 122880), (3840, 104448), (4080, 98304), (4096, 97920), (4352, 92160), (4608, 87040), (4896, 81920), (5120, 78336), (5440, 73728), (5760, 69632), (6120, 65536), (6144, 65280), (6528, 61440), (7680, 52224), (8160, 49152), (8192, 48960), (8704, 46080), (9216, 43520), (9792, 40960), (10240, 39168), (10880, 36864), (11520, 34816), (12240, 32768), (12288, 32640), (13056, 30720), (15360, 26112), (16320, 24576), (16384, 24480), (17408, 23040), (18432, 21760), (19584, 20480)]