161162800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 410723712

約数和(自身を除く): 249560912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 41, 50, 62, 80, 82, 100, 124, 155, 164, 200, 205, 248, 310, 317, 328, 400, 410, 496, 620, 634, 656, 775, 820, 1025, 1240, 1268, 1271, 1550, 1585, 1640, 2050, 2480, 2536, 2542, 3100, 3170, 3280, 4100, 5072, 5084, 6200, 6340, 6355, 7925, 8200, 9827, 10168, 12400, 12680, 12710, 12997, 15850, 16400, 19654, 20336, 25360, 25420, 25994, 31700, 31775, 39308, 49135, 50840, 51988, 63400, 63550, 64985, 78616, 98270, 101680, 103976, 126800, 127100, 129970, 157232, 196540, 207952, 245675, 254200, 259940, 324925, 393080, 402907, 491350, 508400, 519880, 649850, 786160, 805814, 982700, 1039760, 1299700, 1611628, 1965400, 2014535, 2599400, 3223256, 3930800, 4029070, 5198800, 6446512, 8058140, 10072675, 16116280, 20145350, 32232560, 40290700, 80581400, 161162800]

約数ペア:

[(1, 161162800), (2, 80581400), (4, 40290700), (5, 32232560), (8, 20145350), (10, 16116280), (16, 10072675), (20, 8058140), (25, 6446512), (31, 5198800), (40, 4029070), (41, 3930800), (50, 3223256), (62, 2599400), (80, 2014535), (82, 1965400), (100, 1611628), (124, 1299700), (155, 1039760), (164, 982700), (200, 805814), (205, 786160), (248, 649850), (310, 519880), (317, 508400), (328, 491350), (400, 402907), (410, 393080), (496, 324925), (620, 259940), (634, 254200), (656, 245675), (775, 207952), (820, 196540), (1025, 157232), (1240, 129970), (1268, 127100), (1271, 126800), (1550, 103976), (1585, 101680), (1640, 98270), (2050, 78616), (2480, 64985), (2536, 63550), (2542, 63400), (3100, 51988), (3170, 50840), (3280, 49135), (4100, 39308), (5072, 31775), (5084, 31700), (6200, 25994), (6340, 25420), (6355, 25360), (7925, 20336), (8200, 19654), (9827, 16400), (10168, 15850), (12400, 12997), (12680, 12710)]