820879040

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 224

約数和(自身を含む): 2189073600

約数和(自身を除く): 1368194560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 41, 64, 74, 76, 80, 82, 89, 95, 148, 152, 160, 164, 178, 185, 190, 205, 296, 304, 320, 328, 356, 370, 380, 410, 445, 592, 608, 656, 703, 712, 740, 760, 779, 820, 890, 1184, 1216, 1312, 1406, 1424, 1480, 1517, 1520, 1558, 1640, 1691, 1780, 2368, 2624, 2812, 2848, 2960, 3034, 3040, 3116, 3280, 3293, 3382, 3515, 3560, 3649, 3895, 5624, 5696, 5920, 6068, 6080, 6232, 6560, 6586, 6764, 7030, 7120, 7298, 7585, 7790, 8455, 11248, 11840, 12136, 12464, 13120, 13172, 13528, 14060, 14240, 14596, 15170, 15580, 16465, 16910, 18245, 22496, 24272, 24928, 26344, 27056, 28120, 28480, 28823, 29192, 30340, 31160, 32930, 33820, 36490, 44992, 48544, 49856, 52688, 54112, 56240, 57646, 58384, 60680, 62320, 62567, 65860, 67640, 69331, 72980, 97088, 105376, 108224, 112480, 115292, 116768, 121360, 124640, 125134, 131720, 135013, 135280, 138662, 144115, 145960, 210752, 224960, 230584, 233536, 242720, 249280, 250268, 263440, 270026, 270560, 277324, 288230, 291920, 312835, 346655, 461168, 485440, 500536, 526880, 540052, 541120, 554648, 576460, 583840, 625670, 675065, 693310, 922336, 1001072, 1053760, 1080104, 1109296, 1152920, 1167680, 1251340, 1350130, 1386620, 1844672, 2002144, 2160208, 2218592, 2305840, 2502680, 2565247, 2700260, 2773240, 4004288, 4320416, 4437184, 4611680, 5005360, 5130494, 5400520, 5546480, 8640832, 9223360, 10010720, 10260988, 10801040, 11092960, 12826235, 20021440, 20521976, 21602080, 22185920, 25652470, 41043952, 43204160, 51304940, 82087904, 102609880, 164175808, 205219760, 410439520, 820879040]

約数ペア:

[(1, 820879040), (2, 410439520), (4, 205219760), (5, 164175808), (8, 102609880), (10, 82087904), (16, 51304940), (19, 43204160), (20, 41043952), (32, 25652470), (37, 22185920), (38, 21602080), (40, 20521976), (41, 20021440), (64, 12826235), (74, 11092960), (76, 10801040), (80, 10260988), (82, 10010720), (89, 9223360), (95, 8640832), (148, 5546480), (152, 5400520), (160, 5130494), (164, 5005360), (178, 4611680), (185, 4437184), (190, 4320416), (205, 4004288), (296, 2773240), (304, 2700260), (320, 2565247), (328, 2502680), (356, 2305840), (370, 2218592), (380, 2160208), (410, 2002144), (445, 1844672), (592, 1386620), (608, 1350130), (656, 1251340), (703, 1167680), (712, 1152920), (740, 1109296), (760, 1080104), (779, 1053760), (820, 1001072), (890, 922336), (1184, 693310), (1216, 675065), (1312, 625670), (1406, 583840), (1424, 576460), (1480, 554648), (1517, 541120), (1520, 540052), (1558, 526880), (1640, 500536), (1691, 485440), (1780, 461168), (2368, 346655), (2624, 312835), (2812, 291920), (2848, 288230), (2960, 277324), (3034, 270560), (3040, 270026), (3116, 263440), (3280, 250268), (3293, 249280), (3382, 242720), (3515, 233536), (3560, 230584), (3649, 224960), (3895, 210752), (5624, 145960), (5696, 144115), (5920, 138662), (6068, 135280), (6080, 135013), (6232, 131720), (6560, 125134), (6586, 124640), (6764, 121360), (7030, 116768), (7120, 115292), (7298, 112480), (7585, 108224), (7790, 105376), (8455, 97088), (11248, 72980), (11840, 69331), (12136, 67640), (12464, 65860), (13120, 62567), (13172, 62320), (13528, 60680), (14060, 58384), (14240, 57646), (14596, 56240), (15170, 54112), (15580, 52688), (16465, 49856), (16910, 48544), (18245, 44992), (22496, 36490), (24272, 33820), (24928, 32930), (26344, 31160), (27056, 30340), (28120, 29192), (28480, 28823)]