313697920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 794033280

約数和(自身を除く): 480335360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 101, 115, 128, 160, 184, 202, 211, 230, 320, 368, 404, 422, 460, 505, 640, 736, 808, 844, 920, 1010, 1055, 1472, 1616, 1688, 1840, 2020, 2110, 2323, 2944, 3232, 3376, 3680, 4040, 4220, 4646, 4853, 6464, 6752, 7360, 8080, 8440, 9292, 9706, 11615, 12928, 13504, 14720, 16160, 16880, 18584, 19412, 21311, 23230, 24265, 27008, 32320, 33760, 37168, 38824, 42622, 46460, 48530, 64640, 67520, 74336, 77648, 85244, 92920, 97060, 106555, 135040, 148672, 155296, 170488, 185840, 194120, 213110, 297344, 310592, 340976, 371680, 388240, 426220, 490153, 621184, 681952, 743360, 776480, 852440, 980306, 1363904, 1486720, 1552960, 1704880, 1960612, 2450765, 2727808, 3105920, 3409760, 3921224, 4901530, 6819520, 7842448, 9803060, 13639040, 15684896, 19606120, 31369792, 39212240, 62739584, 78424480, 156848960, 313697920]

約数ペア:

[(1, 313697920), (2, 156848960), (4, 78424480), (5, 62739584), (8, 39212240), (10, 31369792), (16, 19606120), (20, 15684896), (23, 13639040), (32, 9803060), (40, 7842448), (46, 6819520), (64, 4901530), (80, 3921224), (92, 3409760), (101, 3105920), (115, 2727808), (128, 2450765), (160, 1960612), (184, 1704880), (202, 1552960), (211, 1486720), (230, 1363904), (320, 980306), (368, 852440), (404, 776480), (422, 743360), (460, 681952), (505, 621184), (640, 490153), (736, 426220), (808, 388240), (844, 371680), (920, 340976), (1010, 310592), (1055, 297344), (1472, 213110), (1616, 194120), (1688, 185840), (1840, 170488), (2020, 155296), (2110, 148672), (2323, 135040), (2944, 106555), (3232, 97060), (3376, 92920), (3680, 85244), (4040, 77648), (4220, 74336), (4646, 67520), (4853, 64640), (6464, 48530), (6752, 46460), (7360, 42622), (8080, 38824), (8440, 37168), (9292, 33760), (9706, 32320), (11615, 27008), (12928, 24265), (13504, 23230), (14720, 21311), (16160, 19412), (16880, 18584)]