71448520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12491}}^1$

素因数の和:12526

約数の個数: 64

約数和(自身を含む): 188879040

約数和(自身を除く): 117430520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 12491, 24982, 49964, 62455, 99928, 124910, 137401, 162383, 249820, 274802, 324766, 499640, 549604, 649532, 687005, 811915, 1099208, 1299064, 1374010, 1623830, 1786213, 2748020, 3247660, 3572426, 5496040, 6495320, 7144852, 8931065, 14289704, 17862130, 35724260, 71448520]

約数ペア:

[(1, 71448520), (2, 35724260), (4, 17862130), (5, 14289704), (8, 8931065), (10, 7144852), (11, 6495320), (13, 5496040), (20, 3572426), (22, 3247660), (26, 2748020), (40, 1786213), (44, 1623830), (52, 1374010), (55, 1299064), (65, 1099208), (88, 811915), (104, 687005), (110, 649532), (130, 549604), (143, 499640), (220, 324766), (260, 274802), (286, 249820), (440, 162383), (520, 137401), (572, 124910), (715, 99928), (1144, 62455), (1430, 49964), (2860, 24982), (5720, 12491)]