71979520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:961

約数の個数: 80

約数和(自身を含む): 178345728

約数和(自身を除く): 106366208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 907, 992, 1240, 1280, 1814, 1984, 2480, 2560, 3628, 3968, 4535, 4960, 7256, 7936, 9070, 9920, 14512, 15872, 18140, 19840, 28117, 29024, 36280, 39680, 56234, 58048, 72560, 79360, 112468, 116096, 140585, 145120, 224936, 232192, 281170, 290240, 449872, 464384, 562340, 580480, 899744, 1124680, 1160960, 1799488, 2249360, 2321920, 3598976, 4498720, 7197952, 8997440, 14395904, 17994880, 35989760, 71979520]

約数ペア:

[(1, 71979520), (2, 35989760), (4, 17994880), (5, 14395904), (8, 8997440), (10, 7197952), (16, 4498720), (20, 3598976), (31, 2321920), (32, 2249360), (40, 1799488), (62, 1160960), (64, 1124680), (80, 899744), (124, 580480), (128, 562340), (155, 464384), (160, 449872), (248, 290240), (256, 281170), (310, 232192), (320, 224936), (496, 145120), (512, 140585), (620, 116096), (640, 112468), (907, 79360), (992, 72560), (1240, 58048), (1280, 56234), (1814, 39680), (1984, 36280), (2480, 29024), (2560, 28117), (3628, 19840), (3968, 18140), (4535, 15872), (4960, 14512), (7256, 9920), (7936, 9070)]