16286014720

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1396

約数の個数: 144

約数和(自身を含む): 40220425728

約数和(自身を除く): 23934411008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 347, 370, 592, 640, 694, 740, 991, 1184, 1280, 1388, 1480, 1735, 1982, 2368, 2776, 2960, 3470, 3964, 4736, 4955, 5552, 5920, 6940, 7928, 9472, 9910, 11104, 11840, 12839, 13880, 15856, 19820, 22208, 23680, 25678, 27760, 31712, 36667, 39640, 44416, 47360, 51356, 55520, 63424, 64195, 73334, 79280, 88832, 102712, 111040, 126848, 128390, 146668, 158560, 183335, 205424, 222080, 253696, 256780, 293336, 317120, 343877, 366670, 410848, 444160, 513560, 586672, 634240, 687754, 733340, 821696, 1027120, 1173344, 1268480, 1375508, 1466680, 1643392, 1719385, 2054240, 2346688, 2751016, 2933360, 3286784, 3438770, 4108480, 4693376, 5502032, 5866720, 6877540, 8216960, 9386752, 11004064, 11733440, 12723449, 13755080, 16433920, 22008128, 23466880, 25446898, 27510160, 44016256, 46933760, 50893796, 55020320, 63617245, 88032512, 101787592, 110040640, 127234490, 203575184, 220081280, 254468980, 407150368, 440162560, 508937960, 814300736, 1017875920, 1628601472, 2035751840, 3257202944, 4071503680, 8143007360, 16286014720]

約数ペア:

[(1, 16286014720), (2, 8143007360), (4, 4071503680), (5, 3257202944), (8, 2035751840), (10, 1628601472), (16, 1017875920), (20, 814300736), (32, 508937960), (37, 440162560), (40, 407150368), (64, 254468980), (74, 220081280), (80, 203575184), (128, 127234490), (148, 110040640), (160, 101787592), (185, 88032512), (256, 63617245), (296, 55020320), (320, 50893796), (347, 46933760), (370, 44016256), (592, 27510160), (640, 25446898), (694, 23466880), (740, 22008128), (991, 16433920), (1184, 13755080), (1280, 12723449), (1388, 11733440), (1480, 11004064), (1735, 9386752), (1982, 8216960), (2368, 6877540), (2776, 5866720), (2960, 5502032), (3470, 4693376), (3964, 4108480), (4736, 3438770), (4955, 3286784), (5552, 2933360), (5920, 2751016), (6940, 2346688), (7928, 2054240), (9472, 1719385), (9910, 1643392), (11104, 1466680), (11840, 1375508), (12839, 1268480), (13880, 1173344), (15856, 1027120), (19820, 821696), (22208, 733340), (23680, 687754), (25678, 634240), (27760, 586672), (31712, 513560), (36667, 444160), (39640, 410848), (44416, 366670), (47360, 343877), (51356, 317120), (55520, 293336), (63424, 256780), (64195, 253696), (73334, 222080), (79280, 205424), (88832, 183335), (102712, 158560), (111040, 146668), (126848, 128390)]