1997687520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6221}}^1$

素因数の和:6465

約数の個数: 144

約数和(自身を含む): 6848779392

約数和(自身を除く): 4851091872

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, 223, 240, 288, 360, 446, 480, 669, 720, 892, 1115, 1338, 1440, 1784, 2007, 2230, 2676, 3345, 3568, 4014, 4460, 5352, 6221, 6690, 7136, 8028, 8920, 10035, 10704, 12442, 13380, 16056, 17840, 18663, 20070, 21408, 24884, 26760, 31105, 32112, 35680, 37326, 40140, 49768, 53520, 55989, 62210, 64224, 74652, 80280, 93315, 99536, 107040, 111978, 124420, 149304, 160560, 186630, 199072, 223956, 248840, 279945, 298608, 321120, 373260, 447912, 497680, 559890, 597216, 746520, 895824, 995360, 1119780, 1387283, 1493040, 1791648, 2239560, 2774566, 2986080, 4161849, 4479120, 5549132, 6936415, 8323698, 8958240, 11098264, 12485547, 13872830, 16647396, 20809245, 22196528, 24971094, 27745660, 33294792, 41618490, 44393056, 49942188, 55491320, 62427735, 66589584, 83236980, 99884376, 110982640, 124855470, 133179168, 166473960, 199768752, 221965280, 249710940, 332947920, 399537504, 499421880, 665895840, 998843760, 1997687520]

約数ペア:

[(1, 1997687520), (2, 998843760), (3, 665895840), (4, 499421880), (5, 399537504), (6, 332947920), (8, 249710940), (9, 221965280), (10, 199768752), (12, 166473960), (15, 133179168), (16, 124855470), (18, 110982640), (20, 99884376), (24, 83236980), (30, 66589584), (32, 62427735), (36, 55491320), (40, 49942188), (45, 44393056), (48, 41618490), (60, 33294792), (72, 27745660), (80, 24971094), (90, 22196528), (96, 20809245), (120, 16647396), (144, 13872830), (160, 12485547), (180, 11098264), (223, 8958240), (240, 8323698), (288, 6936415), (360, 5549132), (446, 4479120), (480, 4161849), (669, 2986080), (720, 2774566), (892, 2239560), (1115, 1791648), (1338, 1493040), (1440, 1387283), (1784, 1119780), (2007, 995360), (2230, 895824), (2676, 746520), (3345, 597216), (3568, 559890), (4014, 497680), (4460, 447912), (5352, 373260), (6221, 321120), (6690, 298608), (7136, 279945), (8028, 248840), (8920, 223956), (10035, 199072), (10704, 186630), (12442, 160560), (13380, 149304), (16056, 124420), (17840, 111978), (18663, 107040), (20070, 99536), (21408, 93315), (24884, 80280), (26760, 74652), (31105, 64224), (32112, 62210), (35680, 55989), (37326, 53520), (40140, 49768)]