87615420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 252274176

約数和(自身を除く): 164658756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 131, 142, 157, 213, 262, 284, 314, 355, 393, 426, 471, 524, 628, 655, 710, 785, 786, 852, 942, 1065, 1310, 1420, 1570, 1572, 1884, 1965, 2130, 2355, 2620, 3140, 3930, 4260, 4710, 7860, 9301, 9420, 11147, 18602, 20567, 22294, 27903, 33441, 37204, 41134, 44588, 46505, 55735, 55806, 61701, 66882, 82268, 93010, 102835, 111470, 111612, 123402, 133764, 139515, 167205, 186020, 205670, 222940, 246804, 279030, 308505, 334410, 411340, 558060, 617010, 668820, 1234020, 1460257, 2920514, 4380771, 5841028, 7301285, 8761542, 14602570, 17523084, 21903855, 29205140, 43807710, 87615420]

約数ペア:

[(1, 87615420), (2, 43807710), (3, 29205140), (4, 21903855), (5, 17523084), (6, 14602570), (10, 8761542), (12, 7301285), (15, 5841028), (20, 4380771), (30, 2920514), (60, 1460257), (71, 1234020), (131, 668820), (142, 617010), (157, 558060), (213, 411340), (262, 334410), (284, 308505), (314, 279030), (355, 246804), (393, 222940), (426, 205670), (471, 186020), (524, 167205), (628, 139515), (655, 133764), (710, 123402), (785, 111612), (786, 111470), (852, 102835), (942, 93010), (1065, 82268), (1310, 66882), (1420, 61701), (1570, 55806), (1572, 55735), (1884, 46505), (1965, 44588), (2130, 41134), (2355, 37204), (2620, 33441), (3140, 27903), (3930, 22294), (4260, 20567), (4710, 18602), (7860, 11147), (9301, 9420)]