19970223840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{660391}}^1$

素因数の和:660422

約数の個数: 192

約数和(自身を含む): 79881016320

約数和(自身を除く): 59910792480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 660391, 1320782, 1981173, 2641564, 3301955, 3962346, 4622737, 5283128, 5943519, 6603910, 7924692, 9245474, 9905865, 10566256, 11887038, 13207820, 13868211, 15849384, 17830557, 18490948, 19811730, 21132512, 23113685, 23774076, 26415640, 27736422, 29717595, 31698768, 35661114, 36981896, 39623460, 41604633, 46227370, 47548152, 52831280, 55472844, 59435190, 63397536, 69341055, 71322228, 73963792, 79246920, 83209266, 89152785, 92454740, 95096304, 105662560, 110945688, 118870380, 124813899, 138682110, 142644456, 147927584, 158493840, 166418532, 178305570, 184909480, 190192608, 208023165, 221891376, 237740760, 249627798, 277364220, 285288912, 316987680, 332837064, 356611140, 369818960, 416046330, 443782752, 475481520, 499255596, 554728440, 570577824, 624069495, 665674128, 713222280, 739637920, 832092660, 950963040, 998511192, 1109456880, 1248138990, 1331348256, 1426444560, 1664185320, 1997022384, 2218913760, 2496277980, 2852889120, 3328370640, 3994044768, 4992555960, 6656741280, 9985111920, 19970223840]

約数ペア:

[(1, 19970223840), (2, 9985111920), (3, 6656741280), (4, 4992555960), (5, 3994044768), (6, 3328370640), (7, 2852889120), (8, 2496277980), (9, 2218913760), (10, 1997022384), (12, 1664185320), (14, 1426444560), (15, 1331348256), (16, 1248138990), (18, 1109456880), (20, 998511192), (21, 950963040), (24, 832092660), (27, 739637920), (28, 713222280), (30, 665674128), (32, 624069495), (35, 570577824), (36, 554728440), (40, 499255596), (42, 475481520), (45, 443782752), (48, 416046330), (54, 369818960), (56, 356611140), (60, 332837064), (63, 316987680), (70, 285288912), (72, 277364220), (80, 249627798), (84, 237740760), (90, 221891376), (96, 208023165), (105, 190192608), (108, 184909480), (112, 178305570), (120, 166418532), (126, 158493840), (135, 147927584), (140, 142644456), (144, 138682110), (160, 124813899), (168, 118870380), (180, 110945688), (189, 105662560), (210, 95096304), (216, 92454740), (224, 89152785), (240, 83209266), (252, 79246920), (270, 73963792), (280, 71322228), (288, 69341055), (315, 63397536), (336, 59435190), (360, 55472844), (378, 52831280), (420, 47548152), (432, 46227370), (480, 41604633), (504, 39623460), (540, 36981896), (560, 35661114), (630, 31698768), (672, 29717595), (720, 27736422), (756, 26415640), (840, 23774076), (864, 23113685), (945, 21132512), (1008, 19811730), (1080, 18490948), (1120, 17830557), (1260, 15849384), (1440, 13868211), (1512, 13207820), (1680, 11887038), (1890, 10566256), (2016, 9905865), (2160, 9245474), (2520, 7924692), (3024, 6603910), (3360, 5943519), (3780, 5283128), (4320, 4622737), (5040, 3962346), (6048, 3301955), (7560, 2641564), (10080, 1981173), (15120, 1320782), (30240, 660391)]