78363540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25609}}^1$

素因数の和:25641

約数の個数: 72

約数和(自身を含む): 251695080

約数和(自身を除く): 173331540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 25609, 51218, 76827, 102436, 128045, 153654, 230481, 256090, 307308, 384135, 435353, 460962, 512180, 768270, 870706, 921924, 1152405, 1306059, 1536540, 1741412, 2176765, 2304810, 2612118, 3918177, 4353530, 4609620, 5224236, 6530295, 7836354, 8707060, 13060590, 15672708, 19590885, 26121180, 39181770, 78363540]

約数ペア:

[(1, 78363540), (2, 39181770), (3, 26121180), (4, 19590885), (5, 15672708), (6, 13060590), (9, 8707060), (10, 7836354), (12, 6530295), (15, 5224236), (17, 4609620), (18, 4353530), (20, 3918177), (30, 2612118), (34, 2304810), (36, 2176765), (45, 1741412), (51, 1536540), (60, 1306059), (68, 1152405), (85, 921924), (90, 870706), (102, 768270), (153, 512180), (170, 460962), (180, 435353), (204, 384135), (255, 307308), (306, 256090), (340, 230481), (510, 153654), (612, 128045), (765, 102436), (1020, 76827), (1530, 51218), (3060, 25609)]