2639156720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{1951}}^1$

素因数の和:2458

約数の個数: 80

約数和(自身を含む): 6318905088

約数和(自身を除く): 3679748368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 457, 592, 740, 914, 1480, 1828, 1951, 2285, 2960, 3656, 3902, 4570, 7312, 7804, 9140, 9755, 15608, 16909, 18280, 19510, 31216, 33818, 36560, 39020, 67636, 72187, 78040, 84545, 135272, 144374, 156080, 169090, 270544, 288748, 338180, 360935, 577496, 676360, 721870, 891607, 1154992, 1352720, 1443740, 1783214, 2887480, 3566428, 4458035, 5774960, 7132856, 8916070, 14265712, 17832140, 32989459, 35664280, 65978918, 71328560, 131957836, 164947295, 263915672, 329894590, 527831344, 659789180, 1319578360, 2639156720]

約数ペア:

[(1, 2639156720), (2, 1319578360), (4, 659789180), (5, 527831344), (8, 329894590), (10, 263915672), (16, 164947295), (20, 131957836), (37, 71328560), (40, 65978918), (74, 35664280), (80, 32989459), (148, 17832140), (185, 14265712), (296, 8916070), (370, 7132856), (457, 5774960), (592, 4458035), (740, 3566428), (914, 2887480), (1480, 1783214), (1828, 1443740), (1951, 1352720), (2285, 1154992), (2960, 891607), (3656, 721870), (3902, 676360), (4570, 577496), (7312, 360935), (7804, 338180), (9140, 288748), (9755, 270544), (15608, 169090), (16909, 156080), (18280, 144374), (19510, 135272), (31216, 84545), (33818, 78040), (36560, 72187), (39020, 67636)]