28706527920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17087219}}^1$

素因数の和:17087242

約数の個数: 80

約数和(自身を含む): 101703133440

約数和(自身を除く): 72996605520

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, 17087219, 34174438, 51261657, 68348876, 85436095, 102523314, 119610533, 136697752, 170872190, 205046628, 239221066, 256308285, 273395504, 341744380, 358831599, 410093256, 478442132, 512616570, 598052665, 683488760, 717663198, 820186512, 956884264, 1025233140, 1196105330, 1366977520, 1435326396, 1794157995, 1913768528, 2050466280, 2392210660, 2870652792, 3588315990, 4100932560, 4784421320, 5741305584, 7176631980, 9568842640, 14353263960, 28706527920]

約数ペア:

[(1, 28706527920), (2, 14353263960), (3, 9568842640), (4, 7176631980), (5, 5741305584), (6, 4784421320), (7, 4100932560), (8, 3588315990), (10, 2870652792), (12, 2392210660), (14, 2050466280), (15, 1913768528), (16, 1794157995), (20, 1435326396), (21, 1366977520), (24, 1196105330), (28, 1025233140), (30, 956884264), (35, 820186512), (40, 717663198), (42, 683488760), (48, 598052665), (56, 512616570), (60, 478442132), (70, 410093256), (80, 358831599), (84, 341744380), (105, 273395504), (112, 256308285), (120, 239221066), (140, 205046628), (168, 170872190), (210, 136697752), (240, 119610533), (280, 102523314), (336, 85436095), (420, 68348876), (560, 51261657), (840, 34174438), (1680, 17087219)]