2080105680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{81001}}^1$

素因数の和:81124

約数の個数: 80

約数和(自身を含む): 6508672704

約数和(自身を除く): 4428567024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3210, 4280, 5136, 6420, 8560, 12840, 25680, 81001, 162002, 243003, 324004, 405005, 486006, 648008, 810010, 972012, 1215015, 1296016, 1620020, 1944024, 2430030, 3240040, 3888048, 4860060, 6480080, 8667107, 9720120, 17334214, 19440240, 26001321, 34668428, 43335535, 52002642, 69336856, 86671070, 104005284, 130006605, 138673712, 173342140, 208010568, 260013210, 346684280, 416021136, 520026420, 693368560, 1040052840, 2080105680]

約数ペア:

[(1, 2080105680), (2, 1040052840), (3, 693368560), (4, 520026420), (5, 416021136), (6, 346684280), (8, 260013210), (10, 208010568), (12, 173342140), (15, 138673712), (16, 130006605), (20, 104005284), (24, 86671070), (30, 69336856), (40, 52002642), (48, 43335535), (60, 34668428), (80, 26001321), (107, 19440240), (120, 17334214), (214, 9720120), (240, 8667107), (321, 6480080), (428, 4860060), (535, 3888048), (642, 3240040), (856, 2430030), (1070, 1944024), (1284, 1620020), (1605, 1296016), (1712, 1215015), (2140, 972012), (2568, 810010), (3210, 648008), (4280, 486006), (5136, 405005), (6420, 324004), (8560, 243003), (12840, 162002), (25680, 81001)]