18548040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 46148280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 311, 355, 420, 426, 497, 568, 622, 710, 840, 852, 933, 994, 1065, 1244, 1420, 1491, 1555, 1704, 1866, 1988, 2130, 2177, 2485, 2488, 2840, 2982, 3110, 3732, 3976, 4260, 4354, 4665, 4970, 5964, 6220, 6531, 7455, 7464, 8520, 8708, 9330, 9940, 10885, 11928, 12440, 13062, 14910, 17416, 18660, 19880, 21770, 22081, 26124, 29820, 32655, 37320, 43540, 44162, 52248, 59640, 65310, 66243, 87080, 88324, 110405, 130620, 132486, 154567, 176648, 220810, 261240, 264972, 309134, 331215, 441620, 463701, 529944, 618268, 662430, 772835, 883240, 927402, 1236536, 1324860, 1545670, 1854804, 2318505, 2649720, 3091340, 3709608, 4637010, 6182680, 9274020, 18548040]

約数ペア:

[(1, 18548040), (2, 9274020), (3, 6182680), (4, 4637010), (5, 3709608), (6, 3091340), (7, 2649720), (8, 2318505), (10, 1854804), (12, 1545670), (14, 1324860), (15, 1236536), (20, 927402), (21, 883240), (24, 772835), (28, 662430), (30, 618268), (35, 529944), (40, 463701), (42, 441620), (56, 331215), (60, 309134), (70, 264972), (71, 261240), (84, 220810), (105, 176648), (120, 154567), (140, 132486), (142, 130620), (168, 110405), (210, 88324), (213, 87080), (280, 66243), (284, 65310), (311, 59640), (355, 52248), (420, 44162), (426, 43540), (497, 37320), (568, 32655), (622, 29820), (710, 26124), (840, 22081), (852, 21770), (933, 19880), (994, 18660), (1065, 17416), (1244, 14910), (1420, 13062), (1491, 12440), (1555, 11928), (1704, 10885), (1866, 9940), (1988, 9330), (2130, 8708), (2177, 8520), (2485, 7464), (2488, 7455), (2840, 6531), (2982, 6220), (3110, 5964), (3732, 4970), (3976, 4665), (4260, 4354)]