71869720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3371}}^1$

素因数の和:3436

約数の個数: 64

約数和(自身を含む): 178446240

約数和(自身を除く): 106576520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 3371, 4264, 5330, 6742, 10660, 13484, 16855, 21320, 26968, 33710, 43823, 67420, 87646, 134840, 138211, 175292, 219115, 276422, 350584, 438230, 552844, 691055, 876460, 1105688, 1382110, 1752920, 1796743, 2764220, 3593486, 5528440, 7186972, 8983715, 14373944, 17967430, 35934860, 71869720]

約数ペア:

[(1, 71869720), (2, 35934860), (4, 17967430), (5, 14373944), (8, 8983715), (10, 7186972), (13, 5528440), (20, 3593486), (26, 2764220), (40, 1796743), (41, 1752920), (52, 1382110), (65, 1105688), (82, 876460), (104, 691055), (130, 552844), (164, 438230), (205, 350584), (260, 276422), (328, 219115), (410, 175292), (520, 138211), (533, 134840), (820, 87646), (1066, 67420), (1640, 43823), (2132, 33710), (2665, 26968), (3371, 21320), (4264, 16855), (5330, 13484), (6742, 10660)]