127799360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1052

約数の個数: 112

約数和(自身を含む): 338644992

約数和(自身を除く): 210845632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 991, 992, 1040, 1240, 1612, 1982, 1984, 2015, 2080, 2480, 3224, 3964, 4030, 4160, 4955, 4960, 6448, 7928, 8060, 9910, 9920, 12883, 12896, 15856, 16120, 19820, 25766, 25792, 30721, 31712, 32240, 39640, 51532, 61442, 63424, 64415, 64480, 79280, 103064, 122884, 128830, 128960, 153605, 158560, 206128, 245768, 257660, 307210, 317120, 399373, 412256, 491536, 515320, 614420, 798746, 824512, 983072, 1030640, 1228840, 1597492, 1966144, 1996865, 2061280, 2457680, 3194984, 3993730, 4122560, 4915360, 6389968, 7987460, 9830720, 12779936, 15974920, 25559872, 31949840, 63899680, 127799360]

約数ペア:

[(1, 127799360), (2, 63899680), (4, 31949840), (5, 25559872), (8, 15974920), (10, 12779936), (13, 9830720), (16, 7987460), (20, 6389968), (26, 4915360), (31, 4122560), (32, 3993730), (40, 3194984), (52, 2457680), (62, 2061280), (64, 1996865), (65, 1966144), (80, 1597492), (104, 1228840), (124, 1030640), (130, 983072), (155, 824512), (160, 798746), (208, 614420), (248, 515320), (260, 491536), (310, 412256), (320, 399373), (403, 317120), (416, 307210), (496, 257660), (520, 245768), (620, 206128), (806, 158560), (832, 153605), (991, 128960), (992, 128830), (1040, 122884), (1240, 103064), (1612, 79280), (1982, 64480), (1984, 64415), (2015, 63424), (2080, 61442), (2480, 51532), (3224, 39640), (3964, 32240), (4030, 31712), (4160, 30721), (4955, 25792), (4960, 25766), (6448, 19820), (7928, 16120), (8060, 15856), (9910, 12896), (9920, 12883)]