20155263840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1\times {\mathrm{953}}^1$

素因数の和:1766

約数の個数: 288

約数和(自身を含む): 72569558880

約数和(自身を除く): 52414295040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 773, 855, 912, 953, 1140, 1368, 1440, 1520, 1546, 1710, 1824, 1906, 2280, 2319, 2736, 2859, 3040, 3092, 3420, 3812, 3865, 4560, 4638, 4765, 5472, 5718, 6184, 6840, 6957, 7624, 7730, 8577, 9120, 9276, 9530, 11436, 11595, 12368, 13680, 13914, 14295, 14687, 15248, 15460, 17154, 18107, 18552, 19060, 22872, 23190, 24736, 27360, 27828, 28590, 29374, 30496, 30920, 34308, 34785, 36214, 37104, 38120, 42885, 44061, 45744, 46380, 54321, 55656, 57180, 58748, 61840, 68616, 69570, 72428, 73435, 74208, 76240, 85770, 88122, 90535, 91488, 92760, 108642, 111312, 114360, 117496, 123680, 132183, 137232, 139140, 144856, 146870, 152480, 162963, 171540, 176244, 181070, 185520, 217284, 220305, 222624, 228720, 234992, 264366, 271605, 274464, 278280, 289712, 293740, 325926, 343080, 352488, 362140, 371040, 434568, 440610, 457440, 469984, 528732, 543210, 556560, 579424, 587480, 651852, 660915, 686160, 704976, 724280, 736669, 814815, 869136, 881220, 1057464, 1086420, 1113120, 1174960, 1303704, 1321830, 1372320, 1409952, 1448560, 1473338, 1629630, 1738272, 1762440, 2114928, 2172840, 2210007, 2349920, 2607408, 2643660, 2897120, 2946676, 3259260, 3524880, 3683345, 4229856, 4345680, 4420014, 5214816, 5287320, 5893352, 6518520, 6630021, 7049760, 7366690, 8691360, 8840028, 10574640, 11050035, 11786704, 13037040, 13260042, 13996711, 14733380, 17680056, 21149280, 22100070, 23573408, 26074080, 26520084, 27993422, 29466760, 33150105, 35360112, 41990133, 44200140, 53040168, 55986844, 58933520, 66300210, 69983555, 70720224, 83980266, 88400280, 106080336, 111973688, 117867040, 125970399, 132600420, 139967110, 167960532, 176800560, 209950665, 212160672, 223947376, 251940798, 265200840, 279934220, 335921064, 353601120, 419901330, 447894752, 503881596, 530401680, 559868440, 629851995, 671842128, 839802660, 1007763192, 1060803360, 1119736880, 1259703990, 1343684256, 1679605320, 2015526384, 2239473760, 2519407980, 3359210640, 4031052768, 5038815960, 6718421280, 10077631920, 20155263840]

約数ペア:

[(1, 20155263840), (2, 10077631920), (3, 6718421280), (4, 5038815960), (5, 4031052768), (6, 3359210640), (8, 2519407980), (9, 2239473760), (10, 2015526384), (12, 1679605320), (15, 1343684256), (16, 1259703990), (18, 1119736880), (19, 1060803360), (20, 1007763192), (24, 839802660), (30, 671842128), (32, 629851995), (36, 559868440), (38, 530401680), (40, 503881596), (45, 447894752), (48, 419901330), (57, 353601120), (60, 335921064), (72, 279934220), (76, 265200840), (80, 251940798), (90, 223947376), (95, 212160672), (96, 209950665), (114, 176800560), (120, 167960532), (144, 139967110), (152, 132600420), (160, 125970399), (171, 117867040), (180, 111973688), (190, 106080336), (228, 88400280), (240, 83980266), (285, 70720224), (288, 69983555), (304, 66300210), (342, 58933520), (360, 55986844), (380, 53040168), (456, 44200140), (480, 41990133), (570, 35360112), (608, 33150105), (684, 29466760), (720, 27993422), (760, 26520084), (773, 26074080), (855, 23573408), (912, 22100070), (953, 21149280), (1140, 17680056), (1368, 14733380), (1440, 13996711), (1520, 13260042), (1546, 13037040), (1710, 11786704), (1824, 11050035), (1906, 10574640), (2280, 8840028), (2319, 8691360), (2736, 7366690), (2859, 7049760), (3040, 6630021), (3092, 6518520), (3420, 5893352), (3812, 5287320), (3865, 5214816), (4560, 4420014), (4638, 4345680), (4765, 4229856), (5472, 3683345), (5718, 3524880), (6184, 3259260), (6840, 2946676), (6957, 2897120), (7624, 2643660), (7730, 2607408), (8577, 2349920), (9120, 2210007), (9276, 2172840), (9530, 2114928), (11436, 1762440), (11595, 1738272), (12368, 1629630), (13680, 1473338), (13914, 1448560), (14295, 1409952), (14687, 1372320), (15248, 1321830), (15460, 1303704), (17154, 1174960), (18107, 1113120), (18552, 1086420), (19060, 1057464), (22872, 881220), (23190, 869136), (24736, 814815), (27360, 736669), (27828, 724280), (28590, 704976), (29374, 686160), (30496, 660915), (30920, 651852), (34308, 587480), (34785, 579424), (36214, 556560), (37104, 543210), (38120, 528732), (42885, 469984), (44061, 457440), (45744, 440610), (46380, 434568), (54321, 371040), (55656, 362140), (57180, 352488), (58748, 343080), (61840, 325926), (68616, 293740), (69570, 289712), (72428, 278280), (73435, 274464), (74208, 271605), (76240, 264366), (85770, 234992), (88122, 228720), (90535, 222624), (91488, 220305), (92760, 217284), (108642, 185520), (111312, 181070), (114360, 176244), (117496, 171540), (123680, 162963), (132183, 152480), (137232, 146870), (139140, 144856)]