320879880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1141

約数の個数: 160

約数和(自身を含む): 1090698840

約数和(自身を除く): 769818960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 97, 108, 120, 135, 162, 180, 194, 216, 270, 291, 324, 360, 388, 405, 485, 540, 582, 648, 776, 810, 873, 970, 1021, 1080, 1164, 1455, 1620, 1746, 1940, 2042, 2328, 2619, 2910, 3063, 3240, 3492, 3880, 4084, 4365, 5105, 5238, 5820, 6126, 6984, 7857, 8168, 8730, 9189, 10210, 10476, 11640, 12252, 13095, 15315, 15714, 17460, 18378, 20420, 20952, 24504, 26190, 27567, 30630, 31428, 34920, 36756, 39285, 40840, 45945, 52380, 55134, 61260, 62856, 73512, 78570, 82701, 91890, 99037, 104760, 110268, 122520, 137835, 157140, 165402, 183780, 198074, 220536, 275670, 297111, 314280, 330804, 367560, 396148, 413505, 495185, 551340, 594222, 661608, 792296, 827010, 891333, 990370, 1102680, 1188444, 1485555, 1654020, 1782666, 1980740, 2376888, 2673999, 2971110, 3308040, 3565332, 3961480, 4456665, 5347998, 5942220, 7130664, 8021997, 8913330, 10695996, 11884440, 13369995, 16043994, 17826660, 21391992, 26739990, 32087988, 35653320, 40109985, 53479980, 64175976, 80219970, 106959960, 160439940, 320879880]

約数ペア:

[(1, 320879880), (2, 160439940), (3, 106959960), (4, 80219970), (5, 64175976), (6, 53479980), (8, 40109985), (9, 35653320), (10, 32087988), (12, 26739990), (15, 21391992), (18, 17826660), (20, 16043994), (24, 13369995), (27, 11884440), (30, 10695996), (36, 8913330), (40, 8021997), (45, 7130664), (54, 5942220), (60, 5347998), (72, 4456665), (81, 3961480), (90, 3565332), (97, 3308040), (108, 2971110), (120, 2673999), (135, 2376888), (162, 1980740), (180, 1782666), (194, 1654020), (216, 1485555), (270, 1188444), (291, 1102680), (324, 990370), (360, 891333), (388, 827010), (405, 792296), (485, 661608), (540, 594222), (582, 551340), (648, 495185), (776, 413505), (810, 396148), (873, 367560), (970, 330804), (1021, 314280), (1080, 297111), (1164, 275670), (1455, 220536), (1620, 198074), (1746, 183780), (1940, 165402), (2042, 157140), (2328, 137835), (2619, 122520), (2910, 110268), (3063, 104760), (3240, 99037), (3492, 91890), (3880, 82701), (4084, 78570), (4365, 73512), (5105, 62856), (5238, 61260), (5820, 55134), (6126, 52380), (6984, 45945), (7857, 40840), (8168, 39285), (8730, 36756), (9189, 34920), (10210, 31428), (10476, 30630), (11640, 27567), (12252, 26190), (13095, 24504), (15315, 20952), (15714, 20420), (17460, 18378)]