80868990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 199547712

約数和(自身を除く): 118678722

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 181, 265, 281, 318, 362, 530, 543, 562, 795, 843, 905, 1086, 1405, 1590, 1686, 1810, 2715, 2810, 4215, 5430, 8430, 9593, 14893, 19186, 28779, 29786, 44679, 47965, 50861, 57558, 74465, 89358, 95930, 101722, 143895, 148930, 152583, 223395, 254305, 287790, 305166, 446790, 508610, 762915, 1525830, 2695633, 5391266, 8086899, 13478165, 16173798, 26956330, 40434495, 80868990]

約数ペア:

[(1, 80868990), (2, 40434495), (3, 26956330), (5, 16173798), (6, 13478165), (10, 8086899), (15, 5391266), (30, 2695633), (53, 1525830), (106, 762915), (159, 508610), (181, 446790), (265, 305166), (281, 287790), (318, 254305), (362, 223395), (530, 152583), (543, 148930), (562, 143895), (795, 101722), (843, 95930), (905, 89358), (1086, 74465), (1405, 57558), (1590, 50861), (1686, 47965), (1810, 44679), (2715, 29786), (2810, 28779), (4215, 19186), (5430, 14893), (8430, 9593)]