17880660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 64786176

約数和(自身を除く): 46905516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 617, 630, 644, 690, 805, 828, 966, 1035, 1234, 1260, 1380, 1449, 1610, 1851, 1932, 2070, 2415, 2468, 2898, 3085, 3220, 3702, 4140, 4319, 4830, 5553, 5796, 6170, 7245, 7404, 8638, 9255, 9660, 11106, 12340, 12957, 14191, 14490, 17276, 18510, 21595, 22212, 25914, 27765, 28382, 28980, 37020, 38871, 42573, 43190, 51828, 55530, 56764, 64785, 70955, 77742, 85146, 86380, 99337, 111060, 127719, 129570, 141910, 155484, 170292, 194355, 198674, 212865, 255438, 259140, 283820, 298011, 388710, 397348, 425730, 496685, 510876, 596022, 638595, 777420, 851460, 894033, 993370, 1192044, 1277190, 1490055, 1788066, 1986740, 2554380, 2980110, 3576132, 4470165, 5960220, 8940330, 17880660]

約数ペア:

[(1, 17880660), (2, 8940330), (3, 5960220), (4, 4470165), (5, 3576132), (6, 2980110), (7, 2554380), (9, 1986740), (10, 1788066), (12, 1490055), (14, 1277190), (15, 1192044), (18, 993370), (20, 894033), (21, 851460), (23, 777420), (28, 638595), (30, 596022), (35, 510876), (36, 496685), (42, 425730), (45, 397348), (46, 388710), (60, 298011), (63, 283820), (69, 259140), (70, 255438), (84, 212865), (90, 198674), (92, 194355), (105, 170292), (115, 155484), (126, 141910), (138, 129570), (140, 127719), (161, 111060), (180, 99337), (207, 86380), (210, 85146), (230, 77742), (252, 70955), (276, 64785), (315, 56764), (322, 55530), (345, 51828), (414, 43190), (420, 42573), (460, 38871), (483, 37020), (617, 28980), (630, 28382), (644, 27765), (690, 25914), (805, 22212), (828, 21595), (966, 18510), (1035, 17276), (1234, 14490), (1260, 14191), (1380, 12957), (1449, 12340), (1610, 11106), (1851, 9660), (1932, 9255), (2070, 8638), (2415, 7404), (2468, 7245), (2898, 6170), (3085, 5796), (3220, 5553), (3702, 4830), (4140, 4319)]