1278180720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{30089}}^1$

素因数の和:30167

約数の個数: 120

約数和(自身を含む): 4365457200

約数和(自身を除く): 3087276480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1770, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 7080, 8496, 10620, 14160, 21240, 30089, 42480, 60178, 90267, 120356, 150445, 180534, 240712, 270801, 300890, 361068, 451335, 481424, 541602, 601780, 722136, 902670, 1083204, 1203560, 1354005, 1444272, 1775251, 1805340, 2166408, 2407120, 2708010, 3550502, 3610680, 4332816, 5325753, 5416020, 7101004, 7221360, 8876255, 10651506, 10832040, 14202008, 15977259, 17752510, 21303012, 21664080, 26628765, 28404016, 31954518, 35505020, 42606024, 53257530, 63909036, 71010040, 79886295, 85212048, 106515060, 127818072, 142020080, 159772590, 213030120, 255636144, 319545180, 426060240, 639090360, 1278180720]

約数ペア:

[(1, 1278180720), (2, 639090360), (3, 426060240), (4, 319545180), (5, 255636144), (6, 213030120), (8, 159772590), (9, 142020080), (10, 127818072), (12, 106515060), (15, 85212048), (16, 79886295), (18, 71010040), (20, 63909036), (24, 53257530), (30, 42606024), (36, 35505020), (40, 31954518), (45, 28404016), (48, 26628765), (59, 21664080), (60, 21303012), (72, 17752510), (80, 15977259), (90, 14202008), (118, 10832040), (120, 10651506), (144, 8876255), (177, 7221360), (180, 7101004), (236, 5416020), (240, 5325753), (295, 4332816), (354, 3610680), (360, 3550502), (472, 2708010), (531, 2407120), (590, 2166408), (708, 1805340), (720, 1775251), (885, 1444272), (944, 1354005), (1062, 1203560), (1180, 1083204), (1416, 902670), (1770, 722136), (2124, 601780), (2360, 541602), (2655, 481424), (2832, 451335), (3540, 361068), (4248, 300890), (4720, 270801), (5310, 240712), (7080, 180534), (8496, 150445), (10620, 120356), (14160, 90267), (21240, 60178), (30089, 42480)]