31853120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 168

約数和(自身を含む): 89245440

約数和(自身を除く): 57392320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 169, 190, 208, 247, 248, 260, 304, 310, 320, 338, 380, 403, 416, 494, 496, 520, 589, 608, 620, 676, 760, 806, 832, 845, 988, 992, 1040, 1178, 1216, 1235, 1240, 1352, 1520, 1612, 1690, 1976, 1984, 2015, 2080, 2356, 2470, 2480, 2704, 2945, 3040, 3211, 3224, 3380, 3952, 4030, 4160, 4712, 4940, 4960, 5239, 5408, 5890, 6080, 6422, 6448, 6760, 7657, 7904, 8060, 9424, 9880, 9920, 10478, 10816, 11780, 12844, 12896, 13520, 15314, 15808, 16055, 16120, 18848, 19760, 20956, 23560, 25688, 25792, 26195, 27040, 30628, 32110, 32240, 37696, 38285, 39520, 41912, 47120, 51376, 52390, 54080, 61256, 64220, 64480, 76570, 79040, 83824, 94240, 99541, 102752, 104780, 122512, 128440, 128960, 153140, 167648, 188480, 199082, 205504, 209560, 245024, 256880, 306280, 335296, 398164, 419120, 490048, 497705, 513760, 612560, 796328, 838240, 995410, 1027520, 1225120, 1592656, 1676480, 1990820, 2450240, 3185312, 3981640, 6370624, 7963280, 15926560, 31853120]

約数ペア:

[(1, 31853120), (2, 15926560), (4, 7963280), (5, 6370624), (8, 3981640), (10, 3185312), (13, 2450240), (16, 1990820), (19, 1676480), (20, 1592656), (26, 1225120), (31, 1027520), (32, 995410), (38, 838240), (40, 796328), (52, 612560), (62, 513760), (64, 497705), (65, 490048), (76, 419120), (80, 398164), (95, 335296), (104, 306280), (124, 256880), (130, 245024), (152, 209560), (155, 205504), (160, 199082), (169, 188480), (190, 167648), (208, 153140), (247, 128960), (248, 128440), (260, 122512), (304, 104780), (310, 102752), (320, 99541), (338, 94240), (380, 83824), (403, 79040), (416, 76570), (494, 64480), (496, 64220), (520, 61256), (589, 54080), (608, 52390), (620, 51376), (676, 47120), (760, 41912), (806, 39520), (832, 38285), (845, 37696), (988, 32240), (992, 32110), (1040, 30628), (1178, 27040), (1216, 26195), (1235, 25792), (1240, 25688), (1352, 23560), (1520, 20956), (1612, 19760), (1690, 18848), (1976, 16120), (1984, 16055), (2015, 15808), (2080, 15314), (2356, 13520), (2470, 12896), (2480, 12844), (2704, 11780), (2945, 10816), (3040, 10478), (3211, 9920), (3224, 9880), (3380, 9424), (3952, 8060), (4030, 7904), (4160, 7657), (4712, 6760), (4940, 6448), (4960, 6422), (5239, 6080), (5408, 5890)]