15342390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 120

約数和(自身を含む): 47191248

約数和(自身を除く): 31848858

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 71, 90, 98, 105, 126, 142, 147, 210, 213, 245, 294, 315, 343, 355, 426, 441, 490, 497, 630, 639, 686, 710, 735, 882, 994, 1029, 1065, 1278, 1470, 1491, 1715, 2058, 2130, 2205, 2401, 2485, 2982, 3087, 3195, 3430, 3479, 4410, 4473, 4802, 4970, 5145, 6174, 6390, 6958, 7203, 7455, 8946, 10290, 10437, 12005, 14406, 14910, 15435, 17395, 20874, 21609, 22365, 24010, 24353, 30870, 31311, 34790, 36015, 43218, 44730, 48706, 52185, 62622, 72030, 73059, 104370, 108045, 121765, 146118, 156555, 170471, 216090, 219177, 243530, 313110, 340942, 365295, 438354, 511413, 730590, 852355, 1022826, 1095885, 1534239, 1704710, 2191770, 2557065, 3068478, 5114130, 7671195, 15342390]

約数ペア:

[(1, 15342390), (2, 7671195), (3, 5114130), (5, 3068478), (6, 2557065), (7, 2191770), (9, 1704710), (10, 1534239), (14, 1095885), (15, 1022826), (18, 852355), (21, 730590), (30, 511413), (35, 438354), (42, 365295), (45, 340942), (49, 313110), (63, 243530), (70, 219177), (71, 216090), (90, 170471), (98, 156555), (105, 146118), (126, 121765), (142, 108045), (147, 104370), (210, 73059), (213, 72030), (245, 62622), (294, 52185), (315, 48706), (343, 44730), (355, 43218), (426, 36015), (441, 34790), (490, 31311), (497, 30870), (630, 24353), (639, 24010), (686, 22365), (710, 21609), (735, 20874), (882, 17395), (994, 15435), (1029, 14910), (1065, 14406), (1278, 12005), (1470, 10437), (1491, 10290), (1715, 8946), (2058, 7455), (2130, 7203), (2205, 6958), (2401, 6390), (2485, 6174), (2982, 5145), (3087, 4970), (3195, 4802), (3430, 4473), (3479, 4410)]