631578640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 240

約数和(自身を含む): 1895128704

約数和(自身を除く): 1263550064

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 97, 98, 110, 112, 140, 151, 154, 176, 194, 196, 220, 245, 280, 302, 308, 385, 388, 392, 440, 485, 490, 539, 560, 604, 616, 679, 755, 770, 776, 784, 880, 970, 980, 1057, 1067, 1078, 1208, 1232, 1358, 1510, 1540, 1552, 1661, 1940, 1960, 2114, 2134, 2156, 2416, 2695, 2716, 3020, 3080, 3322, 3395, 3880, 3920, 4228, 4268, 4312, 4753, 5285, 5335, 5390, 5432, 6040, 6160, 6644, 6790, 7399, 7469, 7760, 8305, 8456, 8536, 8624, 9506, 10570, 10670, 10780, 10864, 11627, 12080, 13288, 13580, 14647, 14798, 14938, 16610, 16912, 17072, 19012, 21140, 21340, 21560, 23254, 23765, 26576, 27160, 29294, 29596, 29876, 33220, 36995, 37345, 38024, 42280, 42680, 43120, 46508, 47530, 52283, 54320, 58135, 58588, 59192, 59752, 66440, 73235, 73990, 74690, 76048, 81389, 84560, 85360, 93016, 95060, 102529, 104566, 116270, 117176, 118384, 119504, 132880, 146470, 147980, 149380, 161117, 162778, 186032, 190120, 205058, 209132, 232540, 234352, 261415, 292940, 295960, 298760, 322234, 325556, 380240, 406945, 410116, 418264, 465080, 512645, 522830, 585880, 591920, 597520, 644468, 651112, 717703, 805585, 813890, 820232, 836528, 930160, 1025290, 1045660, 1127819, 1171760, 1288936, 1302224, 1435406, 1611170, 1627780, 1640464, 2050580, 2091320, 2255638, 2577872, 2870812, 3222340, 3255560, 3588515, 4101160, 4182640, 4511276, 5639095, 5741624, 6444680, 6511120, 7177030, 7894733, 8202320, 9022552, 11278190, 11483248, 12889360, 14354060, 15789466, 18045104, 22556380, 28708120, 31578932, 39473665, 45112760, 57416240, 63157864, 78947330, 90225520, 126315728, 157894660, 315789320, 631578640]

約数ペア:

[(1, 631578640), (2, 315789320), (4, 157894660), (5, 126315728), (7, 90225520), (8, 78947330), (10, 63157864), (11, 57416240), (14, 45112760), (16, 39473665), (20, 31578932), (22, 28708120), (28, 22556380), (35, 18045104), (40, 15789466), (44, 14354060), (49, 12889360), (55, 11483248), (56, 11278190), (70, 9022552), (77, 8202320), (80, 7894733), (88, 7177030), (97, 6511120), (98, 6444680), (110, 5741624), (112, 5639095), (140, 4511276), (151, 4182640), (154, 4101160), (176, 3588515), (194, 3255560), (196, 3222340), (220, 2870812), (245, 2577872), (280, 2255638), (302, 2091320), (308, 2050580), (385, 1640464), (388, 1627780), (392, 1611170), (440, 1435406), (485, 1302224), (490, 1288936), (539, 1171760), (560, 1127819), (604, 1045660), (616, 1025290), (679, 930160), (755, 836528), (770, 820232), (776, 813890), (784, 805585), (880, 717703), (970, 651112), (980, 644468), (1057, 597520), (1067, 591920), (1078, 585880), (1208, 522830), (1232, 512645), (1358, 465080), (1510, 418264), (1540, 410116), (1552, 406945), (1661, 380240), (1940, 325556), (1960, 322234), (2114, 298760), (2134, 295960), (2156, 292940), (2416, 261415), (2695, 234352), (2716, 232540), (3020, 209132), (3080, 205058), (3322, 190120), (3395, 186032), (3880, 162778), (3920, 161117), (4228, 149380), (4268, 147980), (4312, 146470), (4753, 132880), (5285, 119504), (5335, 118384), (5390, 117176), (5432, 116270), (6040, 104566), (6160, 102529), (6644, 95060), (6790, 93016), (7399, 85360), (7469, 84560), (7760, 81389), (8305, 76048), (8456, 74690), (8536, 73990), (8624, 73235), (9506, 66440), (10570, 59752), (10670, 59192), (10780, 58588), (10864, 58135), (11627, 54320), (12080, 52283), (13288, 47530), (13580, 46508), (14647, 43120), (14798, 42680), (14938, 42280), (16610, 38024), (16912, 37345), (17072, 36995), (19012, 33220), (21140, 29876), (21340, 29596), (21560, 29294), (23254, 27160), (23765, 26576)]