478973560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 1227663360

約数和(自身を除く): 748689800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 124, 130, 155, 172, 215, 248, 260, 310, 344, 403, 430, 520, 559, 620, 691, 806, 860, 1118, 1240, 1333, 1382, 1612, 1720, 2015, 2236, 2666, 2764, 2795, 3224, 3455, 4030, 4472, 5332, 5528, 5590, 6665, 6910, 8060, 8983, 10664, 11180, 13330, 13820, 16120, 17329, 17966, 21421, 22360, 26660, 27640, 29713, 34658, 35932, 42842, 44915, 53320, 59426, 69316, 71864, 85684, 86645, 89830, 107105, 118852, 138632, 148565, 171368, 173290, 179660, 214210, 237704, 278473, 297130, 346580, 359320, 386269, 428420, 556946, 594260, 693160, 772538, 856840, 921103, 1113892, 1188520, 1392365, 1545076, 1842206, 1931345, 2227784, 2784730, 3090152, 3684412, 3862690, 4605515, 5569460, 7368824, 7725380, 9211030, 11138920, 11974339, 15450760, 18422060, 23948678, 36844120, 47897356, 59871695, 95794712, 119743390, 239486780, 478973560]

約数ペア:

[(1, 478973560), (2, 239486780), (4, 119743390), (5, 95794712), (8, 59871695), (10, 47897356), (13, 36844120), (20, 23948678), (26, 18422060), (31, 15450760), (40, 11974339), (43, 11138920), (52, 9211030), (62, 7725380), (65, 7368824), (86, 5569460), (104, 4605515), (124, 3862690), (130, 3684412), (155, 3090152), (172, 2784730), (215, 2227784), (248, 1931345), (260, 1842206), (310, 1545076), (344, 1392365), (403, 1188520), (430, 1113892), (520, 921103), (559, 856840), (620, 772538), (691, 693160), (806, 594260), (860, 556946), (1118, 428420), (1240, 386269), (1333, 359320), (1382, 346580), (1612, 297130), (1720, 278473), (2015, 237704), (2236, 214210), (2666, 179660), (2764, 173290), (2795, 171368), (3224, 148565), (3455, 138632), (4030, 118852), (4472, 107105), (5332, 89830), (5528, 86645), (5590, 85684), (6665, 71864), (6910, 69316), (8060, 59426), (8983, 53320), (10664, 44915), (11180, 42842), (13330, 35932), (13820, 34658), (16120, 29713), (17329, 27640), (17966, 26660), (21421, 22360)]