156936178640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:830

約数の個数: 240

約数和(自身を含む): 396516288000

約数和(自身を除く): 239580109360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 223, 244, 272, 289, 305, 340, 446, 488, 499, 578, 610, 680, 892, 976, 998, 1037, 1115, 1156, 1220, 1360, 1445, 1784, 1996, 2074, 2230, 2312, 2440, 2495, 2890, 3568, 3791, 3992, 4148, 4460, 4624, 4880, 4990, 5185, 5780, 7582, 7984, 8296, 8483, 8920, 9980, 10370, 11560, 13603, 15164, 16592, 16966, 17629, 17840, 18955, 19960, 20740, 23120, 27206, 30328, 30439, 33932, 35258, 37910, 39920, 41480, 42415, 54412, 60656, 60878, 64447, 67864, 68015, 70516, 75820, 82960, 84830, 88145, 108824, 111277, 121756, 128894, 135728, 136030, 141032, 144211, 151640, 152195, 169660, 176290, 217648, 222554, 231251, 243512, 257788, 272060, 282064, 288422, 303280, 304390, 322235, 339320, 352580, 445108, 462502, 487024, 515576, 517463, 544120, 556385, 576844, 608780, 644470, 678640, 705160, 721055, 890216, 925004, 1031152, 1034926, 1088240, 1112770, 1153688, 1156255, 1217560, 1288940, 1410320, 1442110, 1780432, 1850008, 1891709, 2069852, 2225540, 2307376, 2312510, 2435120, 2577880, 2587315, 2884220, 3700016, 3783418, 3931267, 4139704, 4451080, 4625020, 5155760, 5174630, 5768440, 6787897, 7566836, 7862534, 8279408, 8796871, 8902160, 9250040, 9458545, 10349260, 11536880, 13575794, 15133672, 15725068, 17593742, 18500080, 18917090, 19656335, 20698520, 27151588, 30267344, 31450136, 32159053, 33939485, 35187484, 37834180, 39312670, 41397040, 43984355, 54303176, 62900272, 64318106, 67878970, 70374968, 75668360, 78625340, 87968710, 108606352, 115394249, 128636212, 135757940, 140749936, 151336720, 157250680, 160795265, 175937420, 230788498, 257272424, 271515880, 314501360, 321590530, 351874840, 461576996, 514544848, 543031760, 576971245, 643181060, 703749680, 923153992, 1153942490, 1286362120, 1846307984, 1961702233, 2307884980, 2572724240, 3923404466, 4615769960, 7846808932, 9231539920, 9808511165, 15693617864, 19617022330, 31387235728, 39234044660, 78468089320, 156936178640]

約数ペア:

[(1, 156936178640), (2, 78468089320), (4, 39234044660), (5, 31387235728), (8, 19617022330), (10, 15693617864), (16, 9808511165), (17, 9231539920), (20, 7846808932), (34, 4615769960), (40, 3923404466), (61, 2572724240), (68, 2307884980), (80, 1961702233), (85, 1846307984), (122, 1286362120), (136, 1153942490), (170, 923153992), (223, 703749680), (244, 643181060), (272, 576971245), (289, 543031760), (305, 514544848), (340, 461576996), (446, 351874840), (488, 321590530), (499, 314501360), (578, 271515880), (610, 257272424), (680, 230788498), (892, 175937420), (976, 160795265), (998, 157250680), (1037, 151336720), (1115, 140749936), (1156, 135757940), (1220, 128636212), (1360, 115394249), (1445, 108606352), (1784, 87968710), (1996, 78625340), (2074, 75668360), (2230, 70374968), (2312, 67878970), (2440, 64318106), (2495, 62900272), (2890, 54303176), (3568, 43984355), (3791, 41397040), (3992, 39312670), (4148, 37834180), (4460, 35187484), (4624, 33939485), (4880, 32159053), (4990, 31450136), (5185, 30267344), (5780, 27151588), (7582, 20698520), (7984, 19656335), (8296, 18917090), (8483, 18500080), (8920, 17593742), (9980, 15725068), (10370, 15133672), (11560, 13575794), (13603, 11536880), (15164, 10349260), (16592, 9458545), (16966, 9250040), (17629, 8902160), (17840, 8796871), (18955, 8279408), (19960, 7862534), (20740, 7566836), (23120, 6787897), (27206, 5768440), (30328, 5174630), (30439, 5155760), (33932, 4625020), (35258, 4451080), (37910, 4139704), (39920, 3931267), (41480, 3783418), (42415, 3700016), (54412, 2884220), (60656, 2587315), (60878, 2577880), (64447, 2435120), (67864, 2312510), (68015, 2307376), (70516, 2225540), (75820, 2069852), (82960, 1891709), (84830, 1850008), (88145, 1780432), (108824, 1442110), (111277, 1410320), (121756, 1288940), (128894, 1217560), (135728, 1156255), (136030, 1153688), (141032, 1112770), (144211, 1088240), (151640, 1034926), (152195, 1031152), (169660, 925004), (176290, 890216), (217648, 721055), (222554, 705160), (231251, 678640), (243512, 644470), (257788, 608780), (272060, 576844), (282064, 556385), (288422, 544120), (303280, 517463), (304390, 515576), (322235, 487024), (339320, 462502), (352580, 445108)]