15681990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 40388544

約数和(自身を除く): 24706554

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 97, 102, 170, 194, 255, 291, 317, 485, 510, 582, 634, 951, 970, 1455, 1585, 1649, 1902, 2910, 3170, 3298, 4755, 4947, 5389, 8245, 9510, 9894, 10778, 16167, 16490, 24735, 26945, 30749, 32334, 49470, 53890, 61498, 80835, 92247, 153745, 161670, 184494, 307490, 461235, 522733, 922470, 1045466, 1568199, 2613665, 3136398, 5227330, 7840995, 15681990]

約数ペア:

[(1, 15681990), (2, 7840995), (3, 5227330), (5, 3136398), (6, 2613665), (10, 1568199), (15, 1045466), (17, 922470), (30, 522733), (34, 461235), (51, 307490), (85, 184494), (97, 161670), (102, 153745), (170, 92247), (194, 80835), (255, 61498), (291, 53890), (317, 49470), (485, 32334), (510, 30749), (582, 26945), (634, 24735), (951, 16490), (970, 16167), (1455, 10778), (1585, 9894), (1649, 9510), (1902, 8245), (2910, 5389), (3170, 4947), (3298, 4755)]