77540820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 260131200

約数和(自身を除く): 182590380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 349, 420, 460, 483, 529, 644, 690, 698, 805, 966, 1047, 1058, 1380, 1396, 1587, 1610, 1745, 1932, 2094, 2116, 2415, 2443, 2645, 3174, 3220, 3490, 3703, 4188, 4830, 4886, 5235, 5290, 6348, 6980, 7329, 7406, 7935, 8027, 9660, 9772, 10470, 10580, 11109, 12215, 14658, 14812, 15870, 16054, 18515, 20940, 22218, 24081, 24430, 29316, 31740, 32108, 36645, 37030, 40135, 44436, 48162, 48860, 55545, 56189, 73290, 74060, 80270, 96324, 111090, 112378, 120405, 146580, 160540, 168567, 184621, 222180, 224756, 240810, 280945, 337134, 369242, 481620, 553863, 561890, 674268, 738484, 842835, 923105, 1107726, 1123780, 1292347, 1685670, 1846210, 2215452, 2584694, 2769315, 3371340, 3692420, 3877041, 5169388, 5538630, 6461735, 7754082, 11077260, 12923470, 15508164, 19385205, 25846940, 38770410, 77540820]

約数ペア:

[(1, 77540820), (2, 38770410), (3, 25846940), (4, 19385205), (5, 15508164), (6, 12923470), (7, 11077260), (10, 7754082), (12, 6461735), (14, 5538630), (15, 5169388), (20, 3877041), (21, 3692420), (23, 3371340), (28, 2769315), (30, 2584694), (35, 2215452), (42, 1846210), (46, 1685670), (60, 1292347), (69, 1123780), (70, 1107726), (84, 923105), (92, 842835), (105, 738484), (115, 674268), (138, 561890), (140, 553863), (161, 481620), (210, 369242), (230, 337134), (276, 280945), (322, 240810), (345, 224756), (349, 222180), (420, 184621), (460, 168567), (483, 160540), (529, 146580), (644, 120405), (690, 112378), (698, 111090), (805, 96324), (966, 80270), (1047, 74060), (1058, 73290), (1380, 56189), (1396, 55545), (1587, 48860), (1610, 48162), (1745, 44436), (1932, 40135), (2094, 37030), (2116, 36645), (2415, 32108), (2443, 31740), (2645, 29316), (3174, 24430), (3220, 24081), (3490, 22218), (3703, 20940), (4188, 18515), (4830, 16054), (4886, 15870), (5235, 14812), (5290, 14658), (6348, 12215), (6980, 11109), (7329, 10580), (7406, 10470), (7935, 9772), (8027, 9660)]