161132520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 496742400

約数和(自身を除く): 335609880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 109, 120, 127, 194, 218, 254, 291, 327, 381, 388, 436, 485, 508, 545, 582, 635, 654, 762, 776, 872, 970, 1016, 1090, 1164, 1270, 1308, 1455, 1524, 1635, 1905, 1940, 2180, 2328, 2540, 2616, 2910, 3048, 3270, 3810, 3880, 4360, 5080, 5820, 6540, 7620, 10573, 11640, 12319, 13080, 13843, 15240, 21146, 24638, 27686, 31719, 36957, 41529, 42292, 49276, 52865, 55372, 61595, 63438, 69215, 73914, 83058, 84584, 98552, 105730, 110744, 123190, 126876, 138430, 147828, 158595, 166116, 184785, 207645, 211460, 246380, 253752, 276860, 295656, 317190, 332232, 369570, 415290, 422920, 492760, 553720, 634380, 739140, 830580, 1268760, 1342771, 1478280, 1661160, 2685542, 4028313, 5371084, 6713855, 8056626, 10742168, 13427710, 16113252, 20141565, 26855420, 32226504, 40283130, 53710840, 80566260, 161132520]

約数ペア:

[(1, 161132520), (2, 80566260), (3, 53710840), (4, 40283130), (5, 32226504), (6, 26855420), (8, 20141565), (10, 16113252), (12, 13427710), (15, 10742168), (20, 8056626), (24, 6713855), (30, 5371084), (40, 4028313), (60, 2685542), (97, 1661160), (109, 1478280), (120, 1342771), (127, 1268760), (194, 830580), (218, 739140), (254, 634380), (291, 553720), (327, 492760), (381, 422920), (388, 415290), (436, 369570), (485, 332232), (508, 317190), (545, 295656), (582, 276860), (635, 253752), (654, 246380), (762, 211460), (776, 207645), (872, 184785), (970, 166116), (1016, 158595), (1090, 147828), (1164, 138430), (1270, 126876), (1308, 123190), (1455, 110744), (1524, 105730), (1635, 98552), (1905, 84584), (1940, 83058), (2180, 73914), (2328, 69215), (2540, 63438), (2616, 61595), (2910, 55372), (3048, 52865), (3270, 49276), (3810, 42292), (3880, 41529), (4360, 36957), (5080, 31719), (5820, 27686), (6540, 24638), (7620, 21146), (10573, 15240), (11640, 13843), (12319, 13080)]