31491040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:960

約数の個数: 96

約数和(自身を含む): 87865344

約数和(自身を除く): 56374304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 907, 992, 1085, 1120, 1240, 1736, 1814, 2170, 2480, 3472, 3628, 4340, 4535, 4960, 6349, 6944, 7256, 8680, 9070, 12698, 14512, 17360, 18140, 25396, 28117, 29024, 31745, 34720, 36280, 50792, 56234, 63490, 72560, 101584, 112468, 126980, 140585, 145120, 196819, 203168, 224936, 253960, 281170, 393638, 449872, 507920, 562340, 787276, 899744, 984095, 1015840, 1124680, 1574552, 1968190, 2249360, 3149104, 3936380, 4498720, 6298208, 7872760, 15745520, 31491040]

約数ペア:

[(1, 31491040), (2, 15745520), (4, 7872760), (5, 6298208), (7, 4498720), (8, 3936380), (10, 3149104), (14, 2249360), (16, 1968190), (20, 1574552), (28, 1124680), (31, 1015840), (32, 984095), (35, 899744), (40, 787276), (56, 562340), (62, 507920), (70, 449872), (80, 393638), (112, 281170), (124, 253960), (140, 224936), (155, 203168), (160, 196819), (217, 145120), (224, 140585), (248, 126980), (280, 112468), (310, 101584), (434, 72560), (496, 63490), (560, 56234), (620, 50792), (868, 36280), (907, 34720), (992, 31745), (1085, 29024), (1120, 28117), (1240, 25396), (1736, 18140), (1814, 17360), (2170, 14512), (2480, 12698), (3472, 9070), (3628, 8680), (4340, 7256), (4535, 6944), (4960, 6349)]