18510120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 64686600

約数和(自身を除く): 46176480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 197, 216, 232, 261, 270, 290, 324, 348, 360, 394, 405, 435, 522, 540, 580, 591, 648, 696, 783, 788, 810, 870, 985, 1044, 1080, 1160, 1182, 1305, 1566, 1576, 1620, 1740, 1773, 1970, 2088, 2349, 2364, 2610, 2955, 3132, 3240, 3480, 3546, 3915, 3940, 4698, 4728, 5220, 5319, 5713, 5910, 6264, 7092, 7830, 7880, 8865, 9396, 10440, 10638, 11426, 11745, 11820, 14184, 15660, 15957, 17139, 17730, 18792, 21276, 22852, 23490, 23640, 26595, 28565, 31320, 31914, 34278, 35460, 42552, 45704, 46980, 51417, 53190, 57130, 63828, 68556, 70920, 79785, 85695, 93960, 102834, 106380, 114260, 127656, 137112, 154251, 159570, 171390, 205668, 212760, 228520, 257085, 308502, 319140, 342780, 411336, 462753, 514170, 617004, 638280, 685560, 771255, 925506, 1028340, 1234008, 1542510, 1851012, 2056680, 2313765, 3085020, 3702024, 4627530, 6170040, 9255060, 18510120]

約数ペア:

[(1, 18510120), (2, 9255060), (3, 6170040), (4, 4627530), (5, 3702024), (6, 3085020), (8, 2313765), (9, 2056680), (10, 1851012), (12, 1542510), (15, 1234008), (18, 1028340), (20, 925506), (24, 771255), (27, 685560), (29, 638280), (30, 617004), (36, 514170), (40, 462753), (45, 411336), (54, 342780), (58, 319140), (60, 308502), (72, 257085), (81, 228520), (87, 212760), (90, 205668), (108, 171390), (116, 159570), (120, 154251), (135, 137112), (145, 127656), (162, 114260), (174, 106380), (180, 102834), (197, 93960), (216, 85695), (232, 79785), (261, 70920), (270, 68556), (290, 63828), (324, 57130), (348, 53190), (360, 51417), (394, 46980), (405, 45704), (435, 42552), (522, 35460), (540, 34278), (580, 31914), (591, 31320), (648, 28565), (696, 26595), (783, 23640), (788, 23490), (810, 22852), (870, 21276), (985, 18792), (1044, 17730), (1080, 17139), (1160, 15957), (1182, 15660), (1305, 14184), (1566, 11820), (1576, 11745), (1620, 11426), (1740, 10638), (1773, 10440), (1970, 9396), (2088, 8865), (2349, 7880), (2364, 7830), (2610, 7092), (2955, 6264), (3132, 5910), (3240, 5713), (3480, 5319), (3546, 5220), (3915, 4728), (3940, 4698)]