281680416

素因数分解:

$2^5\times 3^4\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1128

約数の個数: 120

約数和(自身を含む): 836852940

約数和(自身を除く): 555172524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 109, 144, 162, 216, 218, 288, 324, 327, 432, 436, 648, 654, 864, 872, 981, 997, 1296, 1308, 1744, 1962, 1994, 2592, 2616, 2943, 2991, 3488, 3924, 3988, 5232, 5886, 5982, 7848, 7976, 8829, 8973, 10464, 11772, 11964, 15696, 15952, 17658, 17946, 23544, 23928, 26919, 31392, 31904, 35316, 35892, 47088, 47856, 53838, 70632, 71784, 80757, 94176, 95712, 107676, 108673, 141264, 143568, 161514, 215352, 217346, 282528, 287136, 323028, 326019, 430704, 434692, 646056, 652038, 861408, 869384, 978057, 1292112, 1304076, 1738768, 1956114, 2584224, 2608152, 2934171, 3477536, 3912228, 5216304, 5868342, 7824456, 8802513, 10432608, 11736684, 15648912, 17605026, 23473368, 31297824, 35210052, 46946736, 70420104, 93893472, 140840208, 281680416]

約数ペア:

[(1, 281680416), (2, 140840208), (3, 93893472), (4, 70420104), (6, 46946736), (8, 35210052), (9, 31297824), (12, 23473368), (16, 17605026), (18, 15648912), (24, 11736684), (27, 10432608), (32, 8802513), (36, 7824456), (48, 5868342), (54, 5216304), (72, 3912228), (81, 3477536), (96, 2934171), (108, 2608152), (109, 2584224), (144, 1956114), (162, 1738768), (216, 1304076), (218, 1292112), (288, 978057), (324, 869384), (327, 861408), (432, 652038), (436, 646056), (648, 434692), (654, 430704), (864, 326019), (872, 323028), (981, 287136), (997, 282528), (1296, 217346), (1308, 215352), (1744, 161514), (1962, 143568), (1994, 141264), (2592, 108673), (2616, 107676), (2943, 95712), (2991, 94176), (3488, 80757), (3924, 71784), (3988, 70632), (5232, 53838), (5886, 47856), (5982, 47088), (7848, 35892), (7976, 35316), (8829, 31904), (8973, 31392), (10464, 26919), (11772, 23928), (11964, 23544), (15696, 17946), (15952, 17658)]