613981440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:489

約数の個数: 216

約数和(自身を含む): 2142766080

約数和(自身を除く): 1528784640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 223, 239, 240, 256, 288, 320, 360, 384, 446, 478, 480, 576, 640, 669, 717, 720, 768, 892, 956, 960, 1115, 1152, 1195, 1280, 1338, 1434, 1440, 1784, 1912, 1920, 2007, 2151, 2230, 2304, 2390, 2676, 2868, 2880, 3345, 3568, 3585, 3824, 3840, 4014, 4302, 4460, 4780, 5352, 5736, 5760, 6690, 7136, 7170, 7648, 8028, 8604, 8920, 9560, 10035, 10704, 10755, 11472, 11520, 13380, 14272, 14340, 15296, 16056, 17208, 17840, 19120, 20070, 21408, 21510, 22944, 26760, 28544, 28680, 30592, 32112, 34416, 35680, 38240, 40140, 42816, 43020, 45888, 53297, 53520, 57088, 57360, 61184, 64224, 68832, 71360, 76480, 80280, 85632, 86040, 91776, 106594, 107040, 114720, 128448, 137664, 142720, 152960, 159891, 160560, 171264, 172080, 183552, 213188, 214080, 229440, 256896, 266485, 275328, 285440, 305920, 319782, 321120, 344160, 426376, 428160, 458880, 479673, 513792, 532970, 550656, 639564, 642240, 688320, 799455, 852752, 856320, 917760, 959346, 1065940, 1279128, 1284480, 1376640, 1598910, 1705504, 1918692, 2131880, 2398365, 2558256, 2568960, 2753280, 3197820, 3411008, 3837384, 4263760, 4796730, 5116512, 6395640, 6822016, 7674768, 8527520, 9593460, 10233024, 12791280, 13644032, 15349536, 17055040, 19186920, 20466048, 25582560, 30699072, 34110080, 38373840, 40932096, 51165120, 61398144, 68220160, 76747680, 102330240, 122796288, 153495360, 204660480, 306990720, 613981440]

約数ペア:

[(1, 613981440), (2, 306990720), (3, 204660480), (4, 153495360), (5, 122796288), (6, 102330240), (8, 76747680), (9, 68220160), (10, 61398144), (12, 51165120), (15, 40932096), (16, 38373840), (18, 34110080), (20, 30699072), (24, 25582560), (30, 20466048), (32, 19186920), (36, 17055040), (40, 15349536), (45, 13644032), (48, 12791280), (60, 10233024), (64, 9593460), (72, 8527520), (80, 7674768), (90, 6822016), (96, 6395640), (120, 5116512), (128, 4796730), (144, 4263760), (160, 3837384), (180, 3411008), (192, 3197820), (223, 2753280), (239, 2568960), (240, 2558256), (256, 2398365), (288, 2131880), (320, 1918692), (360, 1705504), (384, 1598910), (446, 1376640), (478, 1284480), (480, 1279128), (576, 1065940), (640, 959346), (669, 917760), (717, 856320), (720, 852752), (768, 799455), (892, 688320), (956, 642240), (960, 639564), (1115, 550656), (1152, 532970), (1195, 513792), (1280, 479673), (1338, 458880), (1434, 428160), (1440, 426376), (1784, 344160), (1912, 321120), (1920, 319782), (2007, 305920), (2151, 285440), (2230, 275328), (2304, 266485), (2390, 256896), (2676, 229440), (2868, 214080), (2880, 213188), (3345, 183552), (3568, 172080), (3585, 171264), (3824, 160560), (3840, 159891), (4014, 152960), (4302, 142720), (4460, 137664), (4780, 128448), (5352, 114720), (5736, 107040), (5760, 106594), (6690, 91776), (7136, 86040), (7170, 85632), (7648, 80280), (8028, 76480), (8604, 71360), (8920, 68832), (9560, 64224), (10035, 61184), (10704, 57360), (10755, 57088), (11472, 53520), (11520, 53297), (13380, 45888), (14272, 43020), (14340, 42816), (15296, 40140), (16056, 38240), (17208, 35680), (17840, 34416), (19120, 32112), (20070, 30592), (21408, 28680), (21510, 28544), (22944, 26760)]