79914900

素因数分解:

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

素因数の和:722

約数の個数: 144

約数和(自身を含む): 257427968

約数和(自身を除く): 177513068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 661, 775, 780, 806, 930, 975, 1209, 1300, 1322, 1550, 1612, 1860, 1950, 1983, 2015, 2325, 2418, 2644, 3100, 3305, 3900, 3966, 4030, 4650, 4836, 6045, 6610, 7932, 8060, 8593, 9300, 9915, 10075, 12090, 13220, 16525, 17186, 19830, 20150, 20491, 24180, 25779, 30225, 33050, 34372, 39660, 40300, 40982, 42965, 49575, 51558, 60450, 61473, 66100, 81964, 85930, 99150, 102455, 103116, 120900, 122946, 128895, 171860, 198300, 204910, 214825, 245892, 257790, 266383, 307365, 409820, 429650, 512275, 515580, 532766, 614730, 644475, 799149, 859300, 1024550, 1065532, 1229460, 1288950, 1331915, 1536825, 1598298, 2049100, 2577900, 2663830, 3073650, 3196596, 3995745, 5327660, 6147300, 6659575, 7991490, 13319150, 15982980, 19978725, 26638300, 39957450, 79914900]

約数ペア:

[(1, 79914900), (2, 39957450), (3, 26638300), (4, 19978725), (5, 15982980), (6, 13319150), (10, 7991490), (12, 6659575), (13, 6147300), (15, 5327660), (20, 3995745), (25, 3196596), (26, 3073650), (30, 2663830), (31, 2577900), (39, 2049100), (50, 1598298), (52, 1536825), (60, 1331915), (62, 1288950), (65, 1229460), (75, 1065532), (78, 1024550), (93, 859300), (100, 799149), (124, 644475), (130, 614730), (150, 532766), (155, 515580), (156, 512275), (186, 429650), (195, 409820), (260, 307365), (300, 266383), (310, 257790), (325, 245892), (372, 214825), (390, 204910), (403, 198300), (465, 171860), (620, 128895), (650, 122946), (661, 120900), (775, 103116), (780, 102455), (806, 99150), (930, 85930), (975, 81964), (1209, 66100), (1300, 61473), (1322, 60450), (1550, 51558), (1612, 49575), (1860, 42965), (1950, 40982), (1983, 40300), (2015, 39660), (2325, 34372), (2418, 33050), (2644, 30225), (3100, 25779), (3305, 24180), (3900, 20491), (3966, 20150), (4030, 19830), (4650, 17186), (4836, 16525), (6045, 13220), (6610, 12090), (7932, 10075), (8060, 9915), (8593, 9300)]