31965960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 128

約数和(自身を含む): 106767360

約数和(自身を除く): 74801400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 661, 744, 780, 806, 930, 1209, 1240, 1322, 1560, 1612, 1860, 1983, 2015, 2418, 2644, 3224, 3305, 3720, 3966, 4030, 4836, 5288, 6045, 6610, 7932, 8060, 8593, 9672, 9915, 12090, 13220, 15864, 16120, 17186, 19830, 20491, 24180, 25779, 26440, 34372, 39660, 40982, 42965, 48360, 51558, 61473, 68744, 79320, 81964, 85930, 102455, 103116, 122946, 128895, 163928, 171860, 204910, 206232, 245892, 257790, 266383, 307365, 343720, 409820, 491784, 515580, 532766, 614730, 799149, 819640, 1031160, 1065532, 1229460, 1331915, 1598298, 2131064, 2458920, 2663830, 3196596, 3995745, 5327660, 6393192, 7991490, 10655320, 15982980, 31965960]

約数ペア:

[(1, 31965960), (2, 15982980), (3, 10655320), (4, 7991490), (5, 6393192), (6, 5327660), (8, 3995745), (10, 3196596), (12, 2663830), (13, 2458920), (15, 2131064), (20, 1598298), (24, 1331915), (26, 1229460), (30, 1065532), (31, 1031160), (39, 819640), (40, 799149), (52, 614730), (60, 532766), (62, 515580), (65, 491784), (78, 409820), (93, 343720), (104, 307365), (120, 266383), (124, 257790), (130, 245892), (155, 206232), (156, 204910), (186, 171860), (195, 163928), (248, 128895), (260, 122946), (310, 103116), (312, 102455), (372, 85930), (390, 81964), (403, 79320), (465, 68744), (520, 61473), (620, 51558), (661, 48360), (744, 42965), (780, 40982), (806, 39660), (930, 34372), (1209, 26440), (1240, 25779), (1322, 24180), (1560, 20491), (1612, 19830), (1860, 17186), (1983, 16120), (2015, 15864), (2418, 13220), (2644, 12090), (3224, 9915), (3305, 9672), (3720, 8593), (3966, 8060), (4030, 7932), (4836, 6610), (5288, 6045)]