78626360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 191743200

約数和(自身を除く): 113116840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2689, 2924, 3655, 5378, 5848, 7310, 10756, 13445, 14620, 21512, 26890, 29240, 45713, 53780, 91426, 107560, 115627, 182852, 228565, 231254, 365704, 457130, 462508, 578135, 914260, 925016, 1156270, 1828520, 1965659, 2312540, 3931318, 4625080, 7862636, 9828295, 15725272, 19656590, 39313180, 78626360]

約数ペア:

[(1, 78626360), (2, 39313180), (4, 19656590), (5, 15725272), (8, 9828295), (10, 7862636), (17, 4625080), (20, 3931318), (34, 2312540), (40, 1965659), (43, 1828520), (68, 1156270), (85, 925016), (86, 914260), (136, 578135), (170, 462508), (172, 457130), (215, 365704), (340, 231254), (344, 228565), (430, 182852), (680, 115627), (731, 107560), (860, 91426), (1462, 53780), (1720, 45713), (2689, 29240), (2924, 26890), (3655, 21512), (5378, 14620), (5848, 13445), (7310, 10756)]