71400840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{12143}}^1$

素因数の和:12171

約数の個数: 96

約数和(自身を含む): 249194880

約数和(自身を除く): 177794040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 12143, 24286, 36429, 48572, 60715, 72858, 85001, 97144, 121430, 145716, 170002, 182145, 242860, 255003, 291432, 340004, 364290, 425005, 485720, 510006, 595007, 680008, 728580, 850010, 1020012, 1190014, 1275015, 1457160, 1700020, 1785021, 2040024, 2380028, 2550030, 2975035, 3400040, 3570042, 4760056, 5100060, 5950070, 7140084, 8925105, 10200120, 11900140, 14280168, 17850210, 23800280, 35700420, 71400840]

約数ペア:

[(1, 71400840), (2, 35700420), (3, 23800280), (4, 17850210), (5, 14280168), (6, 11900140), (7, 10200120), (8, 8925105), (10, 7140084), (12, 5950070), (14, 5100060), (15, 4760056), (20, 3570042), (21, 3400040), (24, 2975035), (28, 2550030), (30, 2380028), (35, 2040024), (40, 1785021), (42, 1700020), (49, 1457160), (56, 1275015), (60, 1190014), (70, 1020012), (84, 850010), (98, 728580), (105, 680008), (120, 595007), (140, 510006), (147, 485720), (168, 425005), (196, 364290), (210, 340004), (245, 291432), (280, 255003), (294, 242860), (392, 182145), (420, 170002), (490, 145716), (588, 121430), (735, 97144), (840, 85001), (980, 72858), (1176, 60715), (1470, 48572), (1960, 36429), (2940, 24286), (5880, 12143)]