81870240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 192

約数和(自身を含む): 278691840

約数和(自身を除く): 196821600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 47, 48, 57, 60, 76, 80, 94, 95, 96, 114, 120, 141, 152, 160, 188, 190, 191, 228, 235, 240, 282, 285, 304, 376, 380, 382, 456, 470, 480, 564, 570, 573, 608, 705, 752, 760, 764, 893, 912, 940, 955, 1128, 1140, 1146, 1410, 1504, 1520, 1528, 1786, 1824, 1880, 1910, 2256, 2280, 2292, 2679, 2820, 2865, 3040, 3056, 3572, 3629, 3760, 3820, 4465, 4512, 4560, 4584, 5358, 5640, 5730, 6112, 7144, 7258, 7520, 7640, 8930, 8977, 9120, 9168, 10716, 10887, 11280, 11460, 13395, 14288, 14516, 15280, 17860, 17954, 18145, 18336, 21432, 21774, 22560, 22920, 26790, 26931, 28576, 29032, 30560, 35720, 35908, 36290, 42864, 43548, 44885, 45840, 53580, 53862, 54435, 58064, 71440, 71816, 72580, 85728, 87096, 89770, 91680, 107160, 107724, 108870, 116128, 134655, 142880, 143632, 145160, 170563, 174192, 179540, 214320, 215448, 217740, 269310, 287264, 290320, 341126, 348384, 359080, 428640, 430896, 435480, 511689, 538620, 580640, 682252, 718160, 852815, 861792, 870960, 1023378, 1077240, 1364504, 1436320, 1705630, 1741920, 2046756, 2154480, 2558445, 2729008, 3411260, 4093512, 4308960, 5116890, 5458016, 6822520, 8187024, 10233780, 13645040, 16374048, 20467560, 27290080, 40935120, 81870240]

約数ペア:

[(1, 81870240), (2, 40935120), (3, 27290080), (4, 20467560), (5, 16374048), (6, 13645040), (8, 10233780), (10, 8187024), (12, 6822520), (15, 5458016), (16, 5116890), (19, 4308960), (20, 4093512), (24, 3411260), (30, 2729008), (32, 2558445), (38, 2154480), (40, 2046756), (47, 1741920), (48, 1705630), (57, 1436320), (60, 1364504), (76, 1077240), (80, 1023378), (94, 870960), (95, 861792), (96, 852815), (114, 718160), (120, 682252), (141, 580640), (152, 538620), (160, 511689), (188, 435480), (190, 430896), (191, 428640), (228, 359080), (235, 348384), (240, 341126), (282, 290320), (285, 287264), (304, 269310), (376, 217740), (380, 215448), (382, 214320), (456, 179540), (470, 174192), (480, 170563), (564, 145160), (570, 143632), (573, 142880), (608, 134655), (705, 116128), (752, 108870), (760, 107724), (764, 107160), (893, 91680), (912, 89770), (940, 87096), (955, 85728), (1128, 72580), (1140, 71816), (1146, 71440), (1410, 58064), (1504, 54435), (1520, 53862), (1528, 53580), (1786, 45840), (1824, 44885), (1880, 43548), (1910, 42864), (2256, 36290), (2280, 35908), (2292, 35720), (2679, 30560), (2820, 29032), (2865, 28576), (3040, 26931), (3056, 26790), (3572, 22920), (3629, 22560), (3760, 21774), (3820, 21432), (4465, 18336), (4512, 18145), (4560, 17954), (4584, 17860), (5358, 15280), (5640, 14516), (5730, 14288), (6112, 13395), (7144, 11460), (7258, 11280), (7520, 10887), (7640, 10716), (8930, 9168), (8977, 9120)]