128918820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1429

約数の個数: 96

約数和(自身を含む): 386443008

約数和(自身を除く): 257524188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 97, 102, 170, 194, 204, 255, 291, 340, 388, 485, 510, 582, 970, 1020, 1164, 1303, 1455, 1649, 1940, 2606, 2910, 3298, 3909, 4947, 5212, 5820, 6515, 6596, 7818, 8245, 9894, 13030, 15636, 16490, 19545, 19788, 22151, 24735, 26060, 32980, 39090, 44302, 49470, 66453, 78180, 88604, 98940, 110755, 126391, 132906, 221510, 252782, 265812, 332265, 379173, 443020, 505564, 631955, 664530, 758346, 1263910, 1329060, 1516692, 1895865, 2148647, 2527820, 3791730, 4297294, 6445941, 7583460, 8594588, 10743235, 12891882, 21486470, 25783764, 32229705, 42972940, 64459410, 128918820]

約数ペア:

[(1, 128918820), (2, 64459410), (3, 42972940), (4, 32229705), (5, 25783764), (6, 21486470), (10, 12891882), (12, 10743235), (15, 8594588), (17, 7583460), (20, 6445941), (30, 4297294), (34, 3791730), (51, 2527820), (60, 2148647), (68, 1895865), (85, 1516692), (97, 1329060), (102, 1263910), (170, 758346), (194, 664530), (204, 631955), (255, 505564), (291, 443020), (340, 379173), (388, 332265), (485, 265812), (510, 252782), (582, 221510), (970, 132906), (1020, 126391), (1164, 110755), (1303, 98940), (1455, 88604), (1649, 78180), (1940, 66453), (2606, 49470), (2910, 44302), (3298, 39090), (3909, 32980), (4947, 26060), (5212, 24735), (5820, 22151), (6515, 19788), (6596, 19545), (7818, 16490), (8245, 15636), (9894, 13030)]