220735140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^2$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 689980032

約数和(自身を除く): 469244892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 97, 102, 115, 138, 170, 194, 204, 230, 255, 276, 291, 340, 345, 388, 391, 460, 485, 510, 582, 690, 782, 970, 1020, 1164, 1173, 1380, 1455, 1564, 1649, 1940, 1955, 2231, 2346, 2910, 3298, 3910, 4462, 4692, 4947, 5820, 5865, 6596, 6693, 7820, 8245, 8924, 9409, 9894, 11155, 11730, 13386, 16490, 18818, 19788, 22310, 23460, 24735, 26772, 28227, 32980, 33465, 37636, 37927, 44620, 47045, 49470, 56454, 66930, 75854, 94090, 98940, 112908, 113781, 133860, 141135, 151708, 159953, 188180, 189635, 216407, 227562, 282270, 319906, 379270, 432814, 455124, 479859, 564540, 568905, 639812, 649221, 758540, 799765, 865628, 959718, 1082035, 1137810, 1298442, 1599530, 1919436, 2164070, 2275620, 2399295, 2596884, 3199060, 3246105, 3678919, 4328140, 4798590, 6492210, 7357838, 9597180, 11036757, 12984420, 14715676, 18394595, 22073514, 36789190, 44147028, 55183785, 73578380, 110367570, 220735140]

約数ペア:

[(1, 220735140), (2, 110367570), (3, 73578380), (4, 55183785), (5, 44147028), (6, 36789190), (10, 22073514), (12, 18394595), (15, 14715676), (17, 12984420), (20, 11036757), (23, 9597180), (30, 7357838), (34, 6492210), (46, 4798590), (51, 4328140), (60, 3678919), (68, 3246105), (69, 3199060), (85, 2596884), (92, 2399295), (97, 2275620), (102, 2164070), (115, 1919436), (138, 1599530), (170, 1298442), (194, 1137810), (204, 1082035), (230, 959718), (255, 865628), (276, 799765), (291, 758540), (340, 649221), (345, 639812), (388, 568905), (391, 564540), (460, 479859), (485, 455124), (510, 432814), (582, 379270), (690, 319906), (782, 282270), (970, 227562), (1020, 216407), (1164, 189635), (1173, 188180), (1380, 159953), (1455, 151708), (1564, 141135), (1649, 133860), (1940, 113781), (1955, 112908), (2231, 98940), (2346, 94090), (2910, 75854), (3298, 66930), (3910, 56454), (4462, 49470), (4692, 47045), (4947, 44620), (5820, 37927), (5865, 37636), (6596, 33465), (6693, 32980), (7820, 28227), (8245, 26772), (8924, 24735), (9409, 23460), (9894, 22310), (11155, 19788), (11730, 18818), (13386, 16490)]