77308520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4943}}^1$

素因数の和:4994

約数の個数: 64

約数和(自身を含む): 192222720

約数和(自身を除く): 114914200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 4943, 7820, 9886, 15640, 19772, 24715, 39544, 49430, 84031, 98860, 113689, 168062, 197720, 227378, 336124, 420155, 454756, 568445, 672248, 840310, 909512, 1136890, 1680620, 1932713, 2273780, 3361240, 3865426, 4547560, 7730852, 9663565, 15461704, 19327130, 38654260, 77308520]

約数ペア:

[(1, 77308520), (2, 38654260), (4, 19327130), (5, 15461704), (8, 9663565), (10, 7730852), (17, 4547560), (20, 3865426), (23, 3361240), (34, 2273780), (40, 1932713), (46, 1680620), (68, 1136890), (85, 909512), (92, 840310), (115, 672248), (136, 568445), (170, 454756), (184, 420155), (230, 336124), (340, 227378), (391, 197720), (460, 168062), (680, 113689), (782, 98860), (920, 84031), (1564, 49430), (1955, 39544), (3128, 24715), (3910, 19772), (4943, 15640), (7820, 9886)]