280420296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 791347200

約数和(自身を除く): 510926904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 79, 93, 104, 124, 156, 158, 186, 237, 248, 312, 316, 367, 372, 403, 474, 632, 734, 744, 806, 948, 1027, 1101, 1209, 1468, 1612, 1896, 2054, 2202, 2418, 2449, 2936, 3081, 3224, 4108, 4404, 4771, 4836, 4898, 6162, 7347, 8216, 8808, 9542, 9672, 9796, 11377, 12324, 14313, 14694, 19084, 19592, 22754, 24648, 28626, 28993, 29388, 31837, 34131, 38168, 45508, 57252, 57986, 58776, 63674, 68262, 86979, 91016, 95511, 114504, 115972, 127348, 136524, 147901, 173958, 191022, 231944, 254696, 273048, 295802, 347916, 376909, 382044, 443703, 591604, 695832, 753818, 764088, 887406, 898783, 1130727, 1183208, 1507636, 1774812, 1797566, 2261454, 2696349, 3015272, 3549624, 3595132, 4522908, 5392698, 7190264, 9045816, 10785396, 11684179, 21570792, 23368358, 35052537, 46736716, 70105074, 93473432, 140210148, 280420296]

約数ペア:

[(1, 280420296), (2, 140210148), (3, 93473432), (4, 70105074), (6, 46736716), (8, 35052537), (12, 23368358), (13, 21570792), (24, 11684179), (26, 10785396), (31, 9045816), (39, 7190264), (52, 5392698), (62, 4522908), (78, 3595132), (79, 3549624), (93, 3015272), (104, 2696349), (124, 2261454), (156, 1797566), (158, 1774812), (186, 1507636), (237, 1183208), (248, 1130727), (312, 898783), (316, 887406), (367, 764088), (372, 753818), (403, 695832), (474, 591604), (632, 443703), (734, 382044), (744, 376909), (806, 347916), (948, 295802), (1027, 273048), (1101, 254696), (1209, 231944), (1468, 191022), (1612, 173958), (1896, 147901), (2054, 136524), (2202, 127348), (2418, 115972), (2449, 114504), (2936, 95511), (3081, 91016), (3224, 86979), (4108, 68262), (4404, 63674), (4771, 58776), (4836, 57986), (4898, 57252), (6162, 45508), (7347, 38168), (8216, 34131), (8808, 31837), (9542, 29388), (9672, 28993), (9796, 28626), (11377, 24648), (12324, 22754), (14313, 19592), (14694, 19084)]