15926560

素因数分解:

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

素因数の和:91

約数の個数: 144

約数和(自身を含む): 44271360

約数和(自身を除く): 28344800

約数列:

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

約数ペア:

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