254034560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1658

約数の個数: 128

約数和(自身を含む): 688867200

約数和(自身を除く): 434832640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1607, 1664, 1976, 2080, 2432, 2470, 3040, 3214, 3952, 4160, 4940, 6080, 6428, 7904, 8035, 8320, 9880, 12160, 12856, 15808, 16070, 19760, 20891, 25712, 30533, 31616, 32140, 39520, 41782, 51424, 61066, 64280, 79040, 83564, 102848, 104455, 122132, 128560, 152665, 158080, 167128, 205696, 208910, 244264, 257120, 305330, 334256, 396929, 417820, 488528, 514240, 610660, 668512, 793858, 835640, 977056, 1028480, 1221320, 1337024, 1587716, 1671280, 1954112, 1984645, 2442640, 2674048, 3175432, 3342560, 3908224, 3969290, 4885280, 6350864, 6685120, 7938580, 9770560, 12701728, 13370240, 15877160, 19541120, 25403456, 31754320, 50806912, 63508640, 127017280, 254034560]

約数ペア:

[(1, 254034560), (2, 127017280), (4, 63508640), (5, 50806912), (8, 31754320), (10, 25403456), (13, 19541120), (16, 15877160), (19, 13370240), (20, 12701728), (26, 9770560), (32, 7938580), (38, 6685120), (40, 6350864), (52, 4885280), (64, 3969290), (65, 3908224), (76, 3342560), (80, 3175432), (95, 2674048), (104, 2442640), (128, 1984645), (130, 1954112), (152, 1671280), (160, 1587716), (190, 1337024), (208, 1221320), (247, 1028480), (260, 977056), (304, 835640), (320, 793858), (380, 668512), (416, 610660), (494, 514240), (520, 488528), (608, 417820), (640, 396929), (760, 334256), (832, 305330), (988, 257120), (1040, 244264), (1216, 208910), (1235, 205696), (1520, 167128), (1607, 158080), (1664, 152665), (1976, 128560), (2080, 122132), (2432, 104455), (2470, 102848), (3040, 83564), (3214, 79040), (3952, 64280), (4160, 61066), (4940, 51424), (6080, 41782), (6428, 39520), (7904, 32140), (8035, 31616), (8320, 30533), (9880, 25712), (12160, 20891), (12856, 19760), (15808, 16070)]