15931520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 43476480

約数和(自身を除く): 27544960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 73, 80, 88, 110, 124, 128, 146, 155, 160, 176, 220, 248, 292, 310, 320, 341, 352, 365, 440, 496, 584, 620, 640, 682, 704, 730, 803, 880, 992, 1168, 1240, 1364, 1408, 1460, 1606, 1705, 1760, 1984, 2263, 2336, 2480, 2728, 2920, 3212, 3410, 3520, 3968, 4015, 4526, 4672, 4960, 5456, 5840, 6424, 6820, 7040, 8030, 9052, 9344, 9920, 10912, 11315, 11680, 12848, 13640, 16060, 18104, 19840, 21824, 22630, 23360, 24893, 25696, 27280, 32120, 36208, 43648, 45260, 46720, 49786, 51392, 54560, 64240, 72416, 90520, 99572, 102784, 109120, 124465, 128480, 144832, 181040, 199144, 218240, 248930, 256960, 289664, 362080, 398288, 497860, 513920, 724160, 796576, 995720, 1448320, 1593152, 1991440, 3186304, 3982880, 7965760, 15931520]

約数ペア:

[(1, 15931520), (2, 7965760), (4, 3982880), (5, 3186304), (8, 1991440), (10, 1593152), (11, 1448320), (16, 995720), (20, 796576), (22, 724160), (31, 513920), (32, 497860), (40, 398288), (44, 362080), (55, 289664), (62, 256960), (64, 248930), (73, 218240), (80, 199144), (88, 181040), (110, 144832), (124, 128480), (128, 124465), (146, 109120), (155, 102784), (160, 99572), (176, 90520), (220, 72416), (248, 64240), (292, 54560), (310, 51392), (320, 49786), (341, 46720), (352, 45260), (365, 43648), (440, 36208), (496, 32120), (584, 27280), (620, 25696), (640, 24893), (682, 23360), (704, 22630), (730, 21824), (803, 19840), (880, 18104), (992, 16060), (1168, 13640), (1240, 12848), (1364, 11680), (1408, 11315), (1460, 10912), (1606, 9920), (1705, 9344), (1760, 9052), (1984, 8030), (2263, 7040), (2336, 6820), (2480, 6424), (2728, 5840), (2920, 5456), (3212, 4960), (3410, 4672), (3520, 4526), (3968, 4015)]