71071840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 209018880

約数和(自身を除く): 137947040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 70, 80, 89, 92, 112, 115, 124, 140, 155, 160, 161, 178, 184, 217, 224, 230, 248, 280, 310, 322, 356, 368, 434, 445, 460, 496, 560, 620, 623, 644, 712, 713, 736, 805, 868, 890, 920, 992, 1085, 1120, 1240, 1246, 1288, 1424, 1426, 1610, 1736, 1780, 1840, 2047, 2170, 2480, 2492, 2576, 2759, 2848, 2852, 3115, 3220, 3472, 3560, 3565, 3680, 4094, 4340, 4960, 4984, 4991, 5152, 5518, 5704, 6230, 6440, 6944, 7120, 7130, 8188, 8680, 9968, 9982, 10235, 11036, 11408, 12460, 12880, 13795, 14240, 14260, 14329, 16376, 17360, 19313, 19936, 19964, 20470, 22072, 22816, 24920, 24955, 25760, 27590, 28520, 28658, 32752, 34720, 38626, 39928, 40940, 44144, 49840, 49910, 55180, 57040, 57316, 63457, 65504, 71645, 77252, 79856, 81880, 88288, 96565, 99680, 99820, 110360, 114080, 114632, 126914, 143290, 154504, 159712, 163760, 193130, 199640, 220720, 229264, 253828, 286580, 309008, 317285, 327520, 386260, 399280, 441440, 444199, 458528, 507656, 573160, 618016, 634570, 772520, 798560, 888398, 1015312, 1146320, 1269140, 1545040, 1776796, 2030624, 2220995, 2292640, 2538280, 3090080, 3553592, 4441990, 5076560, 7107184, 8883980, 10153120, 14214368, 17767960, 35535920, 71071840]

約数ペア:

[(1, 71071840), (2, 35535920), (4, 17767960), (5, 14214368), (7, 10153120), (8, 8883980), (10, 7107184), (14, 5076560), (16, 4441990), (20, 3553592), (23, 3090080), (28, 2538280), (31, 2292640), (32, 2220995), (35, 2030624), (40, 1776796), (46, 1545040), (56, 1269140), (62, 1146320), (70, 1015312), (80, 888398), (89, 798560), (92, 772520), (112, 634570), (115, 618016), (124, 573160), (140, 507656), (155, 458528), (160, 444199), (161, 441440), (178, 399280), (184, 386260), (217, 327520), (224, 317285), (230, 309008), (248, 286580), (280, 253828), (310, 229264), (322, 220720), (356, 199640), (368, 193130), (434, 163760), (445, 159712), (460, 154504), (496, 143290), (560, 126914), (620, 114632), (623, 114080), (644, 110360), (712, 99820), (713, 99680), (736, 96565), (805, 88288), (868, 81880), (890, 79856), (920, 77252), (992, 71645), (1085, 65504), (1120, 63457), (1240, 57316), (1246, 57040), (1288, 55180), (1424, 49910), (1426, 49840), (1610, 44144), (1736, 40940), (1780, 39928), (1840, 38626), (2047, 34720), (2170, 32752), (2480, 28658), (2492, 28520), (2576, 27590), (2759, 25760), (2848, 24955), (2852, 24920), (3115, 22816), (3220, 22072), (3472, 20470), (3560, 19964), (3565, 19936), (3680, 19313), (4094, 17360), (4340, 16376), (4960, 14329), (4984, 14260), (4991, 14240), (5152, 13795), (5518, 12880), (5704, 12460), (6230, 11408), (6440, 11036), (6944, 10235), (7120, 9982), (7130, 9968), (8188, 8680)]