20131489120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:741

約数の個数: 192

約数和(自身を含む): 50469350400

約数和(自身を除く): 30337861280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 59, 80, 116, 118, 145, 151, 160, 232, 236, 290, 295, 302, 464, 472, 487, 580, 590, 604, 755, 928, 944, 974, 1160, 1180, 1208, 1510, 1711, 1888, 1948, 2320, 2360, 2416, 2435, 3020, 3422, 3896, 4379, 4640, 4720, 4832, 4870, 6040, 6844, 7792, 8555, 8758, 8909, 9440, 9740, 12080, 13688, 14123, 15584, 17110, 17516, 17818, 19480, 21895, 24160, 27376, 28246, 28733, 34220, 35032, 35636, 38960, 43790, 44545, 54752, 56492, 57466, 68440, 70064, 70615, 71272, 73537, 77920, 87580, 89090, 112984, 114932, 136880, 140128, 141230, 142544, 143665, 147074, 175160, 178180, 225968, 229864, 258361, 273760, 282460, 285088, 287330, 294148, 350320, 356360, 367685, 451936, 459728, 516722, 564920, 574660, 588296, 700640, 712720, 735370, 833257, 919456, 1033444, 1129840, 1149320, 1176592, 1291805, 1425440, 1470740, 1666514, 2066888, 2132573, 2259680, 2298640, 2353184, 2583610, 2941480, 3333028, 4133776, 4166285, 4265146, 4338683, 4597280, 5167220, 5882960, 6666056, 8267552, 8332570, 8530292, 8677366, 10334440, 10662865, 11765920, 13332112, 16665140, 17060584, 17354732, 20668880, 21325730, 21693415, 26664224, 33330280, 34121168, 34709464, 41337760, 42651460, 43386830, 66660560, 68242336, 69418928, 85302920, 86773660, 125821807, 133321120, 138837856, 170605840, 173547320, 251643614, 341211680, 347094640, 503287228, 629109035, 694189280, 1006574456, 1258218070, 2013148912, 2516436140, 4026297824, 5032872280, 10065744560, 20131489120]

約数ペア:

[(1, 20131489120), (2, 10065744560), (4, 5032872280), (5, 4026297824), (8, 2516436140), (10, 2013148912), (16, 1258218070), (20, 1006574456), (29, 694189280), (32, 629109035), (40, 503287228), (58, 347094640), (59, 341211680), (80, 251643614), (116, 173547320), (118, 170605840), (145, 138837856), (151, 133321120), (160, 125821807), (232, 86773660), (236, 85302920), (290, 69418928), (295, 68242336), (302, 66660560), (464, 43386830), (472, 42651460), (487, 41337760), (580, 34709464), (590, 34121168), (604, 33330280), (755, 26664224), (928, 21693415), (944, 21325730), (974, 20668880), (1160, 17354732), (1180, 17060584), (1208, 16665140), (1510, 13332112), (1711, 11765920), (1888, 10662865), (1948, 10334440), (2320, 8677366), (2360, 8530292), (2416, 8332570), (2435, 8267552), (3020, 6666056), (3422, 5882960), (3896, 5167220), (4379, 4597280), (4640, 4338683), (4720, 4265146), (4832, 4166285), (4870, 4133776), (6040, 3333028), (6844, 2941480), (7792, 2583610), (8555, 2353184), (8758, 2298640), (8909, 2259680), (9440, 2132573), (9740, 2066888), (12080, 1666514), (13688, 1470740), (14123, 1425440), (15584, 1291805), (17110, 1176592), (17516, 1149320), (17818, 1129840), (19480, 1033444), (21895, 919456), (24160, 833257), (27376, 735370), (28246, 712720), (28733, 700640), (34220, 588296), (35032, 574660), (35636, 564920), (38960, 516722), (43790, 459728), (44545, 451936), (54752, 367685), (56492, 356360), (57466, 350320), (68440, 294148), (70064, 287330), (70615, 285088), (71272, 282460), (73537, 273760), (77920, 258361), (87580, 229864), (89090, 225968), (112984, 178180), (114932, 175160), (136880, 147074), (140128, 143665), (141230, 142544)]