1218808520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{12659}}^1$

素因数の和:12782

約数の個数: 64

約数和(自身を含む): 2871288000

約数和(自身を除く): 1652479480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 232, 290, 332, 415, 580, 664, 830, 1160, 1660, 2407, 3320, 4814, 9628, 12035, 12659, 19256, 24070, 25318, 48140, 50636, 63295, 96280, 101272, 126590, 253180, 367111, 506360, 734222, 1050697, 1468444, 1835555, 2101394, 2936888, 3671110, 4202788, 5253485, 7342220, 8405576, 10506970, 14684440, 21013940, 30470213, 42027880, 60940426, 121880852, 152351065, 243761704, 304702130, 609404260, 1218808520]

約数ペア:

[(1, 1218808520), (2, 609404260), (4, 304702130), (5, 243761704), (8, 152351065), (10, 121880852), (20, 60940426), (29, 42027880), (40, 30470213), (58, 21013940), (83, 14684440), (116, 10506970), (145, 8405576), (166, 7342220), (232, 5253485), (290, 4202788), (332, 3671110), (415, 2936888), (580, 2101394), (664, 1835555), (830, 1468444), (1160, 1050697), (1660, 734222), (2407, 506360), (3320, 367111), (4814, 253180), (9628, 126590), (12035, 101272), (12659, 96280), (19256, 63295), (24070, 50636), (25318, 48140)]