738278320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2011}}^1$

素因数の和:2390

約数の個数: 80

約数和(自身を含む): 1854693792

約数和(自身を除く): 1116415472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 353, 520, 706, 1040, 1412, 1765, 2011, 2824, 3530, 4022, 4589, 5648, 7060, 8044, 9178, 10055, 14120, 16088, 18356, 20110, 22945, 26143, 28240, 32176, 36712, 40220, 45890, 52286, 73424, 80440, 91780, 104572, 130715, 160880, 183560, 209144, 261430, 367120, 418288, 522860, 709883, 1045720, 1419766, 2091440, 2839532, 3549415, 5679064, 7098830, 9228479, 11358128, 14197660, 18456958, 28395320, 36913916, 46142395, 56790640, 73827832, 92284790, 147655664, 184569580, 369139160, 738278320]

約数ペア:

[(1, 738278320), (2, 369139160), (4, 184569580), (5, 147655664), (8, 92284790), (10, 73827832), (13, 56790640), (16, 46142395), (20, 36913916), (26, 28395320), (40, 18456958), (52, 14197660), (65, 11358128), (80, 9228479), (104, 7098830), (130, 5679064), (208, 3549415), (260, 2839532), (353, 2091440), (520, 1419766), (706, 1045720), (1040, 709883), (1412, 522860), (1765, 418288), (2011, 367120), (2824, 261430), (3530, 209144), (4022, 183560), (4589, 160880), (5648, 130715), (7060, 104572), (8044, 91780), (9178, 80440), (10055, 73424), (14120, 52286), (16088, 45890), (18356, 40220), (20110, 36712), (22945, 32176), (26143, 28240)]