139454120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 359009280

約数和(自身を除く): 219555160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 205, 211, 248, 260, 310, 328, 403, 410, 422, 520, 533, 620, 806, 820, 844, 1055, 1066, 1240, 1271, 1612, 1640, 1688, 2015, 2110, 2132, 2542, 2665, 2743, 3224, 4030, 4220, 4264, 5084, 5330, 5486, 6355, 6541, 8060, 8440, 8651, 10168, 10660, 10972, 12710, 13082, 13715, 16120, 16523, 17302, 21320, 21944, 25420, 26164, 27430, 32705, 33046, 34604, 43255, 50840, 52328, 54860, 65410, 66092, 69208, 82615, 85033, 86510, 109720, 112463, 130820, 132184, 165230, 170066, 173020, 224926, 261640, 268181, 330460, 340132, 346040, 425165, 449852, 536362, 562315, 660920, 680264, 850330, 899704, 1072724, 1124630, 1340905, 1700660, 2145448, 2249260, 2681810, 3401320, 3486353, 4498520, 5363620, 6972706, 10727240, 13945412, 17431765, 27890824, 34863530, 69727060, 139454120]

約数ペア:

[(1, 139454120), (2, 69727060), (4, 34863530), (5, 27890824), (8, 17431765), (10, 13945412), (13, 10727240), (20, 6972706), (26, 5363620), (31, 4498520), (40, 3486353), (41, 3401320), (52, 2681810), (62, 2249260), (65, 2145448), (82, 1700660), (104, 1340905), (124, 1124630), (130, 1072724), (155, 899704), (164, 850330), (205, 680264), (211, 660920), (248, 562315), (260, 536362), (310, 449852), (328, 425165), (403, 346040), (410, 340132), (422, 330460), (520, 268181), (533, 261640), (620, 224926), (806, 173020), (820, 170066), (844, 165230), (1055, 132184), (1066, 130820), (1240, 112463), (1271, 109720), (1612, 86510), (1640, 85033), (1688, 82615), (2015, 69208), (2110, 66092), (2132, 65410), (2542, 54860), (2665, 52328), (2743, 50840), (3224, 43255), (4030, 34604), (4220, 33046), (4264, 32705), (5084, 27430), (5330, 26164), (5486, 25420), (6355, 21944), (6541, 21320), (8060, 17302), (8440, 16523), (8651, 16120), (10168, 13715), (10660, 13082), (10972, 12710)]