1979111520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4391}}^1$

素因数の和:4725

約数の個数: 144

約数和(自身を含む): 6776838432

約数和(自身を除く): 4797726912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 313, 360, 480, 626, 720, 939, 1252, 1440, 1565, 1878, 2504, 2817, 3130, 3756, 4391, 4695, 5008, 5634, 6260, 7512, 8782, 9390, 10016, 11268, 12520, 13173, 14085, 15024, 17564, 18780, 21955, 22536, 25040, 26346, 28170, 30048, 35128, 37560, 39519, 43910, 45072, 50080, 52692, 56340, 65865, 70256, 75120, 79038, 87820, 90144, 105384, 112680, 131730, 140512, 150240, 158076, 175640, 197595, 210768, 225360, 263460, 316152, 351280, 395190, 421536, 450720, 526920, 632304, 702560, 790380, 1053840, 1264608, 1374383, 1580760, 2107680, 2748766, 3161520, 4123149, 5497532, 6323040, 6871915, 8246298, 10995064, 12369447, 13743830, 16492596, 20615745, 21990128, 24738894, 27487660, 32985192, 41231490, 43980256, 49477788, 54975320, 61847235, 65970384, 82462980, 98955576, 109950640, 123694470, 131940768, 164925960, 197911152, 219901280, 247388940, 329851920, 395822304, 494777880, 659703840, 989555760, 1979111520]

約数ペア:

[(1, 1979111520), (2, 989555760), (3, 659703840), (4, 494777880), (5, 395822304), (6, 329851920), (8, 247388940), (9, 219901280), (10, 197911152), (12, 164925960), (15, 131940768), (16, 123694470), (18, 109950640), (20, 98955576), (24, 82462980), (30, 65970384), (32, 61847235), (36, 54975320), (40, 49477788), (45, 43980256), (48, 41231490), (60, 32985192), (72, 27487660), (80, 24738894), (90, 21990128), (96, 20615745), (120, 16492596), (144, 13743830), (160, 12369447), (180, 10995064), (240, 8246298), (288, 6871915), (313, 6323040), (360, 5497532), (480, 4123149), (626, 3161520), (720, 2748766), (939, 2107680), (1252, 1580760), (1440, 1374383), (1565, 1264608), (1878, 1053840), (2504, 790380), (2817, 702560), (3130, 632304), (3756, 526920), (4391, 450720), (4695, 421536), (5008, 395190), (5634, 351280), (6260, 316152), (7512, 263460), (8782, 225360), (9390, 210768), (10016, 197595), (11268, 175640), (12520, 158076), (13173, 150240), (14085, 140512), (15024, 131730), (17564, 112680), (18780, 105384), (21955, 90144), (22536, 87820), (25040, 79038), (26346, 75120), (28170, 70256), (30048, 65865), (35128, 56340), (37560, 52692), (39519, 50080), (43910, 45072)]