1998085440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:7017

約数の個数: 224

約数和(自身を含む): 7129979136

約数和(自身を除く): 5131893696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 104, 115, 120, 130, 138, 156, 160, 184, 192, 195, 208, 230, 240, 260, 276, 299, 312, 320, 345, 368, 390, 416, 460, 480, 520, 552, 598, 624, 690, 736, 780, 832, 897, 920, 960, 1040, 1104, 1196, 1248, 1380, 1472, 1495, 1560, 1794, 1840, 2080, 2208, 2392, 2496, 2760, 2990, 3120, 3588, 3680, 4160, 4416, 4485, 4784, 5520, 5980, 6240, 6961, 7176, 7360, 8970, 9568, 11040, 11960, 12480, 13922, 14352, 17940, 19136, 20883, 22080, 23920, 27844, 28704, 34805, 35880, 41766, 47840, 55688, 57408, 69610, 71760, 83532, 90493, 95680, 104415, 111376, 139220, 143520, 160103, 167064, 180986, 208830, 222752, 271479, 278440, 287040, 320206, 334128, 361972, 417660, 445504, 452465, 480309, 542958, 556880, 640412, 668256, 723944, 800515, 835320, 904930, 960618, 1085916, 1113760, 1280824, 1336512, 1357395, 1447888, 1601030, 1670640, 1809860, 1921236, 2081339, 2171832, 2227520, 2401545, 2561648, 2714790, 2895776, 3202060, 3341280, 3619720, 3842472, 4162678, 4343664, 4803090, 5123296, 5429580, 5791552, 6244017, 6404120, 6682560, 7239440, 7684944, 8325356, 8687328, 9606180, 10246592, 10406695, 10859160, 12488034, 12808240, 14478880, 15369888, 16650712, 17374656, 19212360, 20813390, 21718320, 24976068, 25616480, 28957760, 30739776, 31220085, 33301424, 38424720, 41626780, 43436640, 49952136, 51232960, 62440170, 66602848, 76849440, 83253560, 86873280, 99904272, 124880340, 133205696, 153698880, 166507120, 199808544, 249760680, 333014240, 399617088, 499521360, 666028480, 999042720, 1998085440]

約数ペア:

[(1, 1998085440), (2, 999042720), (3, 666028480), (4, 499521360), (5, 399617088), (6, 333014240), (8, 249760680), (10, 199808544), (12, 166507120), (13, 153698880), (15, 133205696), (16, 124880340), (20, 99904272), (23, 86873280), (24, 83253560), (26, 76849440), (30, 66602848), (32, 62440170), (39, 51232960), (40, 49952136), (46, 43436640), (48, 41626780), (52, 38424720), (60, 33301424), (64, 31220085), (65, 30739776), (69, 28957760), (78, 25616480), (80, 24976068), (92, 21718320), (96, 20813390), (104, 19212360), (115, 17374656), (120, 16650712), (130, 15369888), (138, 14478880), (156, 12808240), (160, 12488034), (184, 10859160), (192, 10406695), (195, 10246592), (208, 9606180), (230, 8687328), (240, 8325356), (260, 7684944), (276, 7239440), (299, 6682560), (312, 6404120), (320, 6244017), (345, 5791552), (368, 5429580), (390, 5123296), (416, 4803090), (460, 4343664), (480, 4162678), (520, 3842472), (552, 3619720), (598, 3341280), (624, 3202060), (690, 2895776), (736, 2714790), (780, 2561648), (832, 2401545), (897, 2227520), (920, 2171832), (960, 2081339), (1040, 1921236), (1104, 1809860), (1196, 1670640), (1248, 1601030), (1380, 1447888), (1472, 1357395), (1495, 1336512), (1560, 1280824), (1794, 1113760), (1840, 1085916), (2080, 960618), (2208, 904930), (2392, 835320), (2496, 800515), (2760, 723944), (2990, 668256), (3120, 640412), (3588, 556880), (3680, 542958), (4160, 480309), (4416, 452465), (4485, 445504), (4784, 417660), (5520, 361972), (5980, 334128), (6240, 320206), (6961, 287040), (7176, 278440), (7360, 271479), (8970, 222752), (9568, 208830), (11040, 180986), (11960, 167064), (12480, 160103), (13922, 143520), (14352, 139220), (17940, 111376), (19136, 104415), (20883, 95680), (22080, 90493), (23920, 83532), (27844, 71760), (28704, 69610), (34805, 57408), (35880, 55688), (41766, 47840)]