42720930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 138378240

約数和(自身を除く): 95657310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 43, 45, 57, 63, 70, 83, 86, 90, 95, 105, 114, 126, 129, 133, 166, 171, 190, 210, 215, 249, 258, 266, 285, 301, 315, 342, 387, 399, 415, 430, 498, 570, 581, 602, 630, 645, 665, 747, 774, 798, 817, 830, 855, 903, 1162, 1197, 1245, 1290, 1330, 1494, 1505, 1577, 1634, 1710, 1743, 1806, 1935, 1995, 2394, 2451, 2490, 2709, 2905, 3010, 3154, 3486, 3569, 3735, 3870, 3990, 4085, 4515, 4731, 4902, 5229, 5418, 5719, 5810, 5985, 7138, 7353, 7470, 7885, 8170, 8715, 9030, 9462, 10458, 10707, 11039, 11438, 11970, 12255, 13545, 14193, 14706, 15770, 17157, 17430, 17845, 21414, 22078, 23655, 24510, 24983, 26145, 27090, 28386, 28595, 32121, 33117, 34314, 35690, 36765, 47310, 49966, 51471, 52290, 53535, 55195, 57190, 64242, 66234, 67811, 70965, 73530, 74949, 85785, 99351, 102942, 107070, 110390, 124915, 135622, 141930, 149898, 160605, 165585, 171570, 198702, 203433, 224847, 249830, 257355, 321210, 331170, 339055, 374745, 406866, 449694, 474677, 496755, 514710, 610299, 678110, 749490, 949354, 993510, 1017165, 1124235, 1220598, 1424031, 2034330, 2248470, 2373385, 2848062, 3051495, 4272093, 4746770, 6102990, 7120155, 8544186, 14240310, 21360465, 42720930]

約数ペア:

[(1, 42720930), (2, 21360465), (3, 14240310), (5, 8544186), (6, 7120155), (7, 6102990), (9, 4746770), (10, 4272093), (14, 3051495), (15, 2848062), (18, 2373385), (19, 2248470), (21, 2034330), (30, 1424031), (35, 1220598), (38, 1124235), (42, 1017165), (43, 993510), (45, 949354), (57, 749490), (63, 678110), (70, 610299), (83, 514710), (86, 496755), (90, 474677), (95, 449694), (105, 406866), (114, 374745), (126, 339055), (129, 331170), (133, 321210), (166, 257355), (171, 249830), (190, 224847), (210, 203433), (215, 198702), (249, 171570), (258, 165585), (266, 160605), (285, 149898), (301, 141930), (315, 135622), (342, 124915), (387, 110390), (399, 107070), (415, 102942), (430, 99351), (498, 85785), (570, 74949), (581, 73530), (602, 70965), (630, 67811), (645, 66234), (665, 64242), (747, 57190), (774, 55195), (798, 53535), (817, 52290), (830, 51471), (855, 49966), (903, 47310), (1162, 36765), (1197, 35690), (1245, 34314), (1290, 33117), (1330, 32121), (1494, 28595), (1505, 28386), (1577, 27090), (1634, 26145), (1710, 24983), (1743, 24510), (1806, 23655), (1935, 22078), (1995, 21414), (2394, 17845), (2451, 17430), (2490, 17157), (2709, 15770), (2905, 14706), (3010, 14193), (3154, 13545), (3486, 12255), (3569, 11970), (3735, 11438), (3870, 11039), (3990, 10707), (4085, 10458), (4515, 9462), (4731, 9030), (4902, 8715), (5229, 8170), (5418, 7885), (5719, 7470), (5810, 7353), (5985, 7138)]