28313460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1022

約数の個数: 144

約数和(自身を含む): 102525696

約数和(自身を除く): 74212236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 977, 1035, 1260, 1380, 1449, 1610, 1932, 1954, 2070, 2415, 2898, 2931, 3220, 3908, 4140, 4830, 4885, 5796, 5862, 6839, 7245, 8793, 9660, 9770, 11724, 13678, 14490, 14655, 17586, 19540, 20517, 22471, 27356, 28980, 29310, 34195, 35172, 41034, 43965, 44942, 58620, 61551, 67413, 68390, 82068, 87930, 89884, 102585, 112355, 123102, 134826, 136780, 157297, 175860, 202239, 205170, 224710, 246204, 269652, 307755, 314594, 337065, 404478, 410340, 449420, 471891, 615510, 629188, 674130, 786485, 808956, 943782, 1011195, 1231020, 1348260, 1415673, 1572970, 1887564, 2022390, 2359455, 2831346, 3145940, 4044780, 4718910, 5662692, 7078365, 9437820, 14156730, 28313460]

約数ペア:

[(1, 28313460), (2, 14156730), (3, 9437820), (4, 7078365), (5, 5662692), (6, 4718910), (7, 4044780), (9, 3145940), (10, 2831346), (12, 2359455), (14, 2022390), (15, 1887564), (18, 1572970), (20, 1415673), (21, 1348260), (23, 1231020), (28, 1011195), (30, 943782), (35, 808956), (36, 786485), (42, 674130), (45, 629188), (46, 615510), (60, 471891), (63, 449420), (69, 410340), (70, 404478), (84, 337065), (90, 314594), (92, 307755), (105, 269652), (115, 246204), (126, 224710), (138, 205170), (140, 202239), (161, 175860), (180, 157297), (207, 136780), (210, 134826), (230, 123102), (252, 112355), (276, 102585), (315, 89884), (322, 87930), (345, 82068), (414, 68390), (420, 67413), (460, 61551), (483, 58620), (630, 44942), (644, 43965), (690, 41034), (805, 35172), (828, 34195), (966, 29310), (977, 28980), (1035, 27356), (1260, 22471), (1380, 20517), (1449, 19540), (1610, 17586), (1932, 14655), (1954, 14490), (2070, 13678), (2415, 11724), (2898, 9770), (2931, 9660), (3220, 8793), (3908, 7245), (4140, 6839), (4830, 5862), (4885, 5796)]