171846640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:591

約数の個数: 160

約数和(自身を含む): 497111040

約数和(自身を除く): 325264400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 521, 532, 560, 589, 620, 665, 760, 868, 1042, 1064, 1085, 1178, 1240, 1330, 1520, 1736, 2084, 2128, 2170, 2356, 2480, 2605, 2660, 2945, 3472, 3647, 4123, 4168, 4340, 4712, 5210, 5320, 5890, 7294, 8246, 8336, 8680, 9424, 9899, 10420, 10640, 11780, 14588, 16151, 16492, 17360, 18235, 19798, 20615, 20840, 23560, 29176, 32302, 32984, 36470, 39596, 41230, 41680, 47120, 49495, 58352, 64604, 65968, 69293, 72940, 79192, 80755, 82460, 98990, 113057, 129208, 138586, 145880, 158384, 161510, 164920, 197980, 226114, 258416, 277172, 291760, 306869, 323020, 329840, 346465, 395960, 452228, 554344, 565285, 613738, 646040, 692930, 791920, 904456, 1108688, 1130570, 1227476, 1292080, 1385860, 1534345, 1808912, 2148083, 2261140, 2454952, 2771720, 3068690, 4296166, 4522280, 4909904, 5543440, 6137380, 8592332, 9044560, 10740415, 12274760, 17184664, 21480830, 24549520, 34369328, 42961660, 85923320, 171846640]

約数ペア:

[(1, 171846640), (2, 85923320), (4, 42961660), (5, 34369328), (7, 24549520), (8, 21480830), (10, 17184664), (14, 12274760), (16, 10740415), (19, 9044560), (20, 8592332), (28, 6137380), (31, 5543440), (35, 4909904), (38, 4522280), (40, 4296166), (56, 3068690), (62, 2771720), (70, 2454952), (76, 2261140), (80, 2148083), (95, 1808912), (112, 1534345), (124, 1385860), (133, 1292080), (140, 1227476), (152, 1130570), (155, 1108688), (190, 904456), (217, 791920), (248, 692930), (266, 646040), (280, 613738), (304, 565285), (310, 554344), (380, 452228), (434, 395960), (496, 346465), (521, 329840), (532, 323020), (560, 306869), (589, 291760), (620, 277172), (665, 258416), (760, 226114), (868, 197980), (1042, 164920), (1064, 161510), (1085, 158384), (1178, 145880), (1240, 138586), (1330, 129208), (1520, 113057), (1736, 98990), (2084, 82460), (2128, 80755), (2170, 79192), (2356, 72940), (2480, 69293), (2605, 65968), (2660, 64604), (2945, 58352), (3472, 49495), (3647, 47120), (4123, 41680), (4168, 41230), (4340, 39596), (4712, 36470), (5210, 32984), (5320, 32302), (5890, 29176), (7294, 23560), (8246, 20840), (8336, 20615), (8680, 19798), (9424, 18235), (9899, 17360), (10420, 16492), (10640, 16151), (11780, 14588)]