78407430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 192969216

約数和(自身を除く): 114561786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 131, 142, 213, 262, 281, 355, 393, 426, 562, 655, 710, 786, 843, 1065, 1310, 1405, 1686, 1965, 2130, 2810, 3930, 4215, 8430, 9301, 18602, 19951, 27903, 36811, 39902, 46505, 55806, 59853, 73622, 93010, 99755, 110433, 119706, 139515, 184055, 199510, 220866, 279030, 299265, 368110, 552165, 598530, 1104330, 2613581, 5227162, 7840743, 13067905, 15681486, 26135810, 39203715, 78407430]

約数ペア:

[(1, 78407430), (2, 39203715), (3, 26135810), (5, 15681486), (6, 13067905), (10, 7840743), (15, 5227162), (30, 2613581), (71, 1104330), (131, 598530), (142, 552165), (213, 368110), (262, 299265), (281, 279030), (355, 220866), (393, 199510), (426, 184055), (562, 139515), (655, 119706), (710, 110433), (786, 99755), (843, 93010), (1065, 73622), (1310, 59853), (1405, 55806), (1686, 46505), (1965, 39902), (2130, 36811), (2810, 27903), (3930, 19951), (4215, 18602), (8430, 9301)]