28741680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 111421440

約数和(自身を除く): 82679760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 191, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 382, 396, 418, 440, 456, 495, 528, 570, 573, 627, 660, 684, 720, 760, 764, 792, 836, 855, 880, 912, 955, 990, 1045, 1140, 1146, 1254, 1320, 1368, 1520, 1528, 1584, 1672, 1710, 1719, 1881, 1910, 1980, 2090, 2101, 2280, 2292, 2508, 2640, 2736, 2865, 3056, 3135, 3344, 3420, 3438, 3629, 3762, 3820, 3960, 4180, 4202, 4560, 4584, 5016, 5730, 6270, 6303, 6840, 6876, 7258, 7524, 7640, 7920, 8360, 8404, 8595, 9168, 9405, 10032, 10505, 10887, 11460, 12540, 12606, 13680, 13752, 14516, 15048, 15280, 16720, 16808, 17190, 18145, 18810, 18909, 21010, 21774, 22920, 25080, 25212, 27504, 29032, 30096, 31515, 32661, 33616, 34380, 36290, 37620, 37818, 39919, 42020, 43548, 45840, 50160, 50424, 54435, 58064, 63030, 65322, 68760, 72580, 75240, 75636, 79838, 84040, 87096, 94545, 100848, 108870, 119757, 126060, 130644, 137520, 145160, 150480, 151272, 159676, 163305, 168080, 174192, 189090, 199595, 217740, 239514, 252120, 261288, 290320, 302544, 319352, 326610, 359271, 378180, 399190, 435480, 479028, 504240, 522576, 598785, 638704, 653220, 718542, 756360, 798380, 870960, 958056, 1197570, 1306440, 1437084, 1512720, 1596760, 1796355, 1916112, 2395140, 2612880, 2874168, 3193520, 3592710, 4790280, 5748336, 7185420, 9580560, 14370840, 28741680]

約数ペア:

[(1, 28741680), (2, 14370840), (3, 9580560), (4, 7185420), (5, 5748336), (6, 4790280), (8, 3592710), (9, 3193520), (10, 2874168), (11, 2612880), (12, 2395140), (15, 1916112), (16, 1796355), (18, 1596760), (19, 1512720), (20, 1437084), (22, 1306440), (24, 1197570), (30, 958056), (33, 870960), (36, 798380), (38, 756360), (40, 718542), (44, 653220), (45, 638704), (48, 598785), (55, 522576), (57, 504240), (60, 479028), (66, 435480), (72, 399190), (76, 378180), (80, 359271), (88, 326610), (90, 319352), (95, 302544), (99, 290320), (110, 261288), (114, 252120), (120, 239514), (132, 217740), (144, 199595), (152, 189090), (165, 174192), (171, 168080), (176, 163305), (180, 159676), (190, 151272), (191, 150480), (198, 145160), (209, 137520), (220, 130644), (228, 126060), (240, 119757), (264, 108870), (285, 100848), (304, 94545), (330, 87096), (342, 84040), (360, 79838), (380, 75636), (382, 75240), (396, 72580), (418, 68760), (440, 65322), (456, 63030), (495, 58064), (528, 54435), (570, 50424), (573, 50160), (627, 45840), (660, 43548), (684, 42020), (720, 39919), (760, 37818), (764, 37620), (792, 36290), (836, 34380), (855, 33616), (880, 32661), (912, 31515), (955, 30096), (990, 29032), (1045, 27504), (1140, 25212), (1146, 25080), (1254, 22920), (1320, 21774), (1368, 21010), (1520, 18909), (1528, 18810), (1584, 18145), (1672, 17190), (1710, 16808), (1719, 16720), (1881, 15280), (1910, 15048), (1980, 14516), (2090, 13752), (2101, 13680), (2280, 12606), (2292, 12540), (2508, 11460), (2640, 10887), (2736, 10505), (2865, 10032), (3056, 9405), (3135, 9168), (3344, 8595), (3420, 8404), (3438, 8360), (3629, 7920), (3762, 7640), (3820, 7524), (3960, 7258), (4180, 6876), (4202, 6840), (4560, 6303), (4584, 6270), (5016, 5730)]