215915280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128521}}^1$

素因数の和:128544

約数の個数: 80

約数和(自身を含む): 764962944

約数和(自身を除く): 549047664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 128521, 257042, 385563, 514084, 642605, 771126, 899647, 1028168, 1285210, 1542252, 1799294, 1927815, 2056336, 2570420, 2698941, 3084504, 3598588, 3855630, 4498235, 5140840, 5397882, 6169008, 7197176, 7711260, 8996470, 10281680, 10795764, 13494705, 14394352, 15422520, 17992940, 21591528, 26989410, 30845040, 35985880, 43183056, 53978820, 71971760, 107957640, 215915280]

約数ペア:

[(1, 215915280), (2, 107957640), (3, 71971760), (4, 53978820), (5, 43183056), (6, 35985880), (7, 30845040), (8, 26989410), (10, 21591528), (12, 17992940), (14, 15422520), (15, 14394352), (16, 13494705), (20, 10795764), (21, 10281680), (24, 8996470), (28, 7711260), (30, 7197176), (35, 6169008), (40, 5397882), (42, 5140840), (48, 4498235), (56, 3855630), (60, 3598588), (70, 3084504), (80, 2698941), (84, 2570420), (105, 2056336), (112, 1927815), (120, 1799294), (140, 1542252), (168, 1285210), (210, 1028168), (240, 899647), (280, 771126), (336, 642605), (420, 514084), (560, 385563), (840, 257042), (1680, 128521)]