18804720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 48690960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 419, 440, 510, 528, 561, 660, 680, 748, 816, 838, 880, 935, 1020, 1122, 1257, 1320, 1360, 1496, 1676, 1870, 2040, 2095, 2244, 2514, 2640, 2805, 2992, 3352, 3740, 4080, 4190, 4488, 4609, 5028, 5610, 6285, 6704, 7123, 7480, 8380, 8976, 9218, 10056, 11220, 12570, 13827, 14246, 14960, 16760, 18436, 20112, 21369, 22440, 23045, 25140, 27654, 28492, 33520, 35615, 36872, 42738, 44880, 46090, 50280, 55308, 56984, 69135, 71230, 73744, 78353, 85476, 92180, 100560, 106845, 110616, 113968, 138270, 142460, 156706, 170952, 184360, 213690, 221232, 235059, 276540, 284920, 313412, 341904, 368720, 391765, 427380, 470118, 553080, 569840, 626824, 783530, 854760, 940236, 1106160, 1175295, 1253648, 1567060, 1709520, 1880472, 2350590, 3134120, 3760944, 4701180, 6268240, 9402360, 18804720]

約数ペア:

[(1, 18804720), (2, 9402360), (3, 6268240), (4, 4701180), (5, 3760944), (6, 3134120), (8, 2350590), (10, 1880472), (11, 1709520), (12, 1567060), (15, 1253648), (16, 1175295), (17, 1106160), (20, 940236), (22, 854760), (24, 783530), (30, 626824), (33, 569840), (34, 553080), (40, 470118), (44, 427380), (48, 391765), (51, 368720), (55, 341904), (60, 313412), (66, 284920), (68, 276540), (80, 235059), (85, 221232), (88, 213690), (102, 184360), (110, 170952), (120, 156706), (132, 142460), (136, 138270), (165, 113968), (170, 110616), (176, 106845), (187, 100560), (204, 92180), (220, 85476), (240, 78353), (255, 73744), (264, 71230), (272, 69135), (330, 56984), (340, 55308), (374, 50280), (408, 46090), (419, 44880), (440, 42738), (510, 36872), (528, 35615), (561, 33520), (660, 28492), (680, 27654), (748, 25140), (816, 23045), (838, 22440), (880, 21369), (935, 20112), (1020, 18436), (1122, 16760), (1257, 14960), (1320, 14246), (1360, 13827), (1496, 12570), (1676, 11220), (1870, 10056), (2040, 9218), (2095, 8976), (2244, 8380), (2514, 7480), (2640, 7123), (2805, 6704), (2992, 6285), (3352, 5610), (3740, 5028), (4080, 4609), (4190, 4488)]