80711421440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78233}}^1$

素因数の和:78300

約数の個数: 160

約数和(自身を含む): 215129730816

約数和(自身を除く): 134418309376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 6656, 7936, 8060, 8320, 9920, 12896, 15872, 16120, 16640, 19840, 25792, 32240, 33280, 39680, 51584, 64480, 78233, 79360, 103168, 128960, 156466, 206336, 257920, 312932, 391165, 515840, 625864, 782330, 1017029, 1031680, 1251728, 1564660, 2034058, 2425223, 2503456, 3129320, 4068116, 4850446, 5006912, 5085145, 6258640, 8136232, 9700892, 10013824, 10170290, 12126115, 12517280, 16272464, 19401784, 20027648, 20340580, 24252230, 25034560, 31527899, 32544928, 38803568, 40055296, 40681160, 48504460, 50069120, 63055798, 65089856, 77607136, 81362320, 97008920, 100138240, 126111596, 130179712, 155214272, 157639495, 162724640, 194017840, 200276480, 252223192, 260359424, 310428544, 315278990, 325449280, 388035680, 504446384, 520718848, 620857088, 630557980, 650898560, 776071360, 1008892768, 1241714176, 1261115960, 1301797120, 1552142720, 2017785536, 2522231920, 2603594240, 3104285440, 4035571072, 5044463840, 6208570880, 8071142144, 10088927680, 16142284288, 20177855360, 40355710720, 80711421440]

約数ペア:

[(1, 80711421440), (2, 40355710720), (4, 20177855360), (5, 16142284288), (8, 10088927680), (10, 8071142144), (13, 6208570880), (16, 5044463840), (20, 4035571072), (26, 3104285440), (31, 2603594240), (32, 2522231920), (40, 2017785536), (52, 1552142720), (62, 1301797120), (64, 1261115960), (65, 1241714176), (80, 1008892768), (104, 776071360), (124, 650898560), (128, 630557980), (130, 620857088), (155, 520718848), (160, 504446384), (208, 388035680), (248, 325449280), (256, 315278990), (260, 310428544), (310, 260359424), (320, 252223192), (403, 200276480), (416, 194017840), (496, 162724640), (512, 157639495), (520, 155214272), (620, 130179712), (640, 126111596), (806, 100138240), (832, 97008920), (992, 81362320), (1040, 77607136), (1240, 65089856), (1280, 63055798), (1612, 50069120), (1664, 48504460), (1984, 40681160), (2015, 40055296), (2080, 38803568), (2480, 32544928), (2560, 31527899), (3224, 25034560), (3328, 24252230), (3968, 20340580), (4030, 20027648), (4160, 19401784), (4960, 16272464), (6448, 12517280), (6656, 12126115), (7936, 10170290), (8060, 10013824), (8320, 9700892), (9920, 8136232), (12896, 6258640), (15872, 5085145), (16120, 5006912), (16640, 4850446), (19840, 4068116), (25792, 3129320), (32240, 2503456), (33280, 2425223), (39680, 2034058), (51584, 1564660), (64480, 1251728), (78233, 1031680), (79360, 1017029), (103168, 782330), (128960, 625864), (156466, 515840), (206336, 391165), (257920, 312932)]