420078720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1014

約数の個数: 128

約数和(自身を含む): 1345078080

約数和(自身を除く): 924999360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 331, 384, 480, 640, 661, 662, 960, 993, 1322, 1324, 1655, 1920, 1983, 1986, 2644, 2648, 3305, 3310, 3966, 3972, 4965, 5288, 5296, 6610, 6620, 7932, 7944, 9915, 9930, 10576, 10592, 13220, 13240, 15864, 15888, 19830, 19860, 21152, 21184, 26440, 26480, 31728, 31776, 39660, 39720, 42304, 42368, 52880, 52960, 63456, 63552, 79320, 79440, 84608, 105760, 105920, 126912, 127104, 158640, 158880, 211520, 211840, 218791, 253824, 317280, 317760, 423040, 437582, 634560, 635520, 656373, 875164, 1093955, 1269120, 1312746, 1750328, 2187910, 2625492, 3281865, 3500656, 4375820, 5250984, 6563730, 7001312, 8751640, 10501968, 13127460, 14002624, 17503280, 21003936, 26254920, 28005248, 35006560, 42007872, 52509840, 70013120, 84015744, 105019680, 140026240, 210039360, 420078720]

約数ペア:

[(1, 420078720), (2, 210039360), (3, 140026240), (4, 105019680), (5, 84015744), (6, 70013120), (8, 52509840), (10, 42007872), (12, 35006560), (15, 28005248), (16, 26254920), (20, 21003936), (24, 17503280), (30, 14002624), (32, 13127460), (40, 10501968), (48, 8751640), (60, 7001312), (64, 6563730), (80, 5250984), (96, 4375820), (120, 3500656), (128, 3281865), (160, 2625492), (192, 2187910), (240, 1750328), (320, 1312746), (331, 1269120), (384, 1093955), (480, 875164), (640, 656373), (661, 635520), (662, 634560), (960, 437582), (993, 423040), (1322, 317760), (1324, 317280), (1655, 253824), (1920, 218791), (1983, 211840), (1986, 211520), (2644, 158880), (2648, 158640), (3305, 127104), (3310, 126912), (3966, 105920), (3972, 105760), (4965, 84608), (5288, 79440), (5296, 79320), (6610, 63552), (6620, 63456), (7932, 52960), (7944, 52880), (9915, 42368), (9930, 42304), (10576, 39720), (10592, 39660), (13220, 31776), (13240, 31728), (15864, 26480), (15888, 26440), (19830, 21184), (19860, 21152)]