138410240

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1615

約数の個数: 72

約数和(自身を含む): 336426048

約数和(自身を除く): 198015808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 1523, 2272, 2840, 3046, 4544, 5680, 6092, 7615, 9088, 11360, 12184, 15230, 18176, 22720, 24368, 30460, 45440, 48736, 60920, 90880, 97472, 108133, 121840, 194944, 216266, 243680, 389888, 432532, 487360, 540665, 865064, 974720, 1081330, 1730128, 1949440, 2162660, 3460256, 4325320, 6920512, 8650640, 13841024, 17301280, 27682048, 34602560, 69205120, 138410240]

約数ペア:

[(1, 138410240), (2, 69205120), (4, 34602560), (5, 27682048), (8, 17301280), (10, 13841024), (16, 8650640), (20, 6920512), (32, 4325320), (40, 3460256), (64, 2162660), (71, 1949440), (80, 1730128), (128, 1081330), (142, 974720), (160, 865064), (256, 540665), (284, 487360), (320, 432532), (355, 389888), (568, 243680), (640, 216266), (710, 194944), (1136, 121840), (1280, 108133), (1420, 97472), (1523, 90880), (2272, 60920), (2840, 48736), (3046, 45440), (4544, 30460), (5680, 24368), (6092, 22720), (7615, 18176), (9088, 15230), (11360, 12184)]