128475375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2921

約数の個数: 64

約数和(自身を含む): 258785280

約数和(自身を除く): 130309905

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 595, 875, 1275, 1785, 2125, 2625, 2879, 2975, 6375, 8637, 8925, 14395, 14875, 20153, 43185, 44625, 48943, 60459, 71975, 100765, 146829, 215925, 244715, 302295, 342601, 359875, 503825, 734145, 1027803, 1079625, 1223575, 1511475, 1713005, 2519125, 3670725, 5139015, 6117875, 7557375, 8565025, 18353625, 25695075, 42825125, 128475375]

約数ペア:

[(1, 128475375), (3, 42825125), (5, 25695075), (7, 18353625), (15, 8565025), (17, 7557375), (21, 6117875), (25, 5139015), (35, 3670725), (51, 2519125), (75, 1713005), (85, 1511475), (105, 1223575), (119, 1079625), (125, 1027803), (175, 734145), (255, 503825), (357, 359875), (375, 342601), (425, 302295), (525, 244715), (595, 215925), (875, 146829), (1275, 100765), (1785, 71975), (2125, 60459), (2625, 48943), (2879, 44625), (2975, 43185), (6375, 20153), (8637, 14875), (8925, 14395)]