197317920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 661457664

約数和(自身を除く): 464139744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 61, 69, 80, 92, 96, 115, 120, 122, 138, 160, 183, 184, 230, 240, 244, 276, 293, 305, 345, 366, 368, 460, 480, 488, 552, 586, 610, 690, 732, 736, 879, 915, 920, 976, 1104, 1172, 1220, 1380, 1403, 1464, 1465, 1758, 1830, 1840, 1952, 2208, 2344, 2440, 2760, 2806, 2928, 2930, 3516, 3660, 3680, 4209, 4395, 4688, 4880, 5520, 5612, 5856, 5860, 6739, 7015, 7032, 7320, 8418, 8790, 9376, 9760, 11040, 11224, 11720, 13478, 14030, 14064, 14640, 16836, 17580, 17873, 20217, 21045, 22448, 23440, 26956, 28060, 28128, 29280, 33672, 33695, 35160, 35746, 40434, 42090, 44896, 46880, 53619, 53912, 56120, 67344, 67390, 70320, 71492, 80868, 84180, 89365, 101085, 107238, 107824, 112240, 134688, 134780, 140640, 142984, 161736, 168360, 178730, 202170, 214476, 215648, 224480, 268095, 269560, 285968, 323472, 336720, 357460, 404340, 411079, 428952, 536190, 539120, 571936, 646944, 673440, 714920, 808680, 822158, 857904, 1072380, 1078240, 1233237, 1429840, 1617360, 1644316, 1715808, 2055395, 2144760, 2466474, 2859680, 3234720, 3288632, 4110790, 4289520, 4932948, 6166185, 6577264, 8221580, 8579040, 9865896, 12332370, 13154528, 16443160, 19731792, 24664740, 32886320, 39463584, 49329480, 65772640, 98658960, 197317920]

約数ペア:

[(1, 197317920), (2, 98658960), (3, 65772640), (4, 49329480), (5, 39463584), (6, 32886320), (8, 24664740), (10, 19731792), (12, 16443160), (15, 13154528), (16, 12332370), (20, 9865896), (23, 8579040), (24, 8221580), (30, 6577264), (32, 6166185), (40, 4932948), (46, 4289520), (48, 4110790), (60, 3288632), (61, 3234720), (69, 2859680), (80, 2466474), (92, 2144760), (96, 2055395), (115, 1715808), (120, 1644316), (122, 1617360), (138, 1429840), (160, 1233237), (183, 1078240), (184, 1072380), (230, 857904), (240, 822158), (244, 808680), (276, 714920), (293, 673440), (305, 646944), (345, 571936), (366, 539120), (368, 536190), (460, 428952), (480, 411079), (488, 404340), (552, 357460), (586, 336720), (610, 323472), (690, 285968), (732, 269560), (736, 268095), (879, 224480), (915, 215648), (920, 214476), (976, 202170), (1104, 178730), (1172, 168360), (1220, 161736), (1380, 142984), (1403, 140640), (1464, 134780), (1465, 134688), (1758, 112240), (1830, 107824), (1840, 107238), (1952, 101085), (2208, 89365), (2344, 84180), (2440, 80868), (2760, 71492), (2806, 70320), (2928, 67390), (2930, 67344), (3516, 56120), (3660, 53912), (3680, 53619), (4209, 46880), (4395, 44896), (4688, 42090), (4880, 40434), (5520, 35746), (5612, 35160), (5856, 33695), (5860, 33672), (6739, 29280), (7015, 28128), (7032, 28060), (7320, 26956), (8418, 23440), (8790, 22448), (9376, 21045), (9760, 20217), (11040, 17873), (11224, 17580), (11720, 16836), (13478, 14640), (14030, 14064)]