1279115955

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:539

約数の個数: 160

約数和(自身を含む): 2704762368

約数和(自身を除く): 1425646413

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 31, 39, 45, 51, 65, 81, 85, 93, 117, 135, 153, 155, 195, 221, 255, 279, 351, 403, 405, 459, 461, 465, 527, 585, 663, 765, 837, 1053, 1105, 1209, 1377, 1383, 1395, 1581, 1755, 1989, 2015, 2295, 2305, 2511, 2635, 3315, 3627, 4149, 4185, 4743, 5265, 5967, 5993, 6045, 6851, 6885, 6915, 7837, 7905, 9945, 10881, 12447, 12555, 14229, 14291, 17901, 17979, 18135, 20553, 20745, 23511, 23715, 29835, 29965, 32643, 34255, 37341, 39185, 42687, 42873, 53937, 54405, 61659, 62235, 70533, 71145, 71455, 89505, 89895, 101881, 102765, 117555, 128619, 161811, 163215, 184977, 185783, 186705, 211599, 213435, 214365, 242947, 269685, 305643, 308295, 352665, 385857, 485433, 509405, 554931, 557349, 634797, 643095, 728841, 809055, 916929, 924885, 928915, 1057995, 1157571, 1214735, 1528215, 1672047, 1929285, 2186523, 2427165, 2750787, 2774655, 2786745, 3158311, 3173985, 3644205, 4584645, 5016141, 5787855, 6559569, 8252361, 8360235, 9474933, 10932615, 13753935, 15048423, 15791555, 19678707, 25080705, 28424799, 32797845, 41261805, 47374665, 75242115, 85274397, 98393535, 142123995, 255823191, 426371985, 1279115955]

約数ペア:

[(1, 1279115955), (3, 426371985), (5, 255823191), (9, 142123995), (13, 98393535), (15, 85274397), (17, 75242115), (27, 47374665), (31, 41261805), (39, 32797845), (45, 28424799), (51, 25080705), (65, 19678707), (81, 15791555), (85, 15048423), (93, 13753935), (117, 10932615), (135, 9474933), (153, 8360235), (155, 8252361), (195, 6559569), (221, 5787855), (255, 5016141), (279, 4584645), (351, 3644205), (403, 3173985), (405, 3158311), (459, 2786745), (461, 2774655), (465, 2750787), (527, 2427165), (585, 2186523), (663, 1929285), (765, 1672047), (837, 1528215), (1053, 1214735), (1105, 1157571), (1209, 1057995), (1377, 928915), (1383, 924885), (1395, 916929), (1581, 809055), (1755, 728841), (1989, 643095), (2015, 634797), (2295, 557349), (2305, 554931), (2511, 509405), (2635, 485433), (3315, 385857), (3627, 352665), (4149, 308295), (4185, 305643), (4743, 269685), (5265, 242947), (5967, 214365), (5993, 213435), (6045, 211599), (6851, 186705), (6885, 185783), (6915, 184977), (7837, 163215), (7905, 161811), (9945, 128619), (10881, 117555), (12447, 102765), (12555, 101881), (14229, 89895), (14291, 89505), (17901, 71455), (17979, 71145), (18135, 70533), (20553, 62235), (20745, 61659), (23511, 54405), (23715, 53937), (29835, 42873), (29965, 42687), (32643, 39185), (34255, 37341)]