28720170

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 79252992

約数和(自身を除く): 50532822

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 223, 243, 265, 270, 318, 405, 446, 477, 486, 530, 669, 795, 810, 954, 1115, 1215, 1338, 1431, 1590, 2007, 2230, 2385, 2430, 2862, 3345, 4014, 4293, 4770, 6021, 6690, 7155, 8586, 10035, 11819, 12042, 12879, 14310, 18063, 20070, 21465, 23638, 25758, 30105, 35457, 36126, 42930, 54189, 59095, 60210, 64395, 70914, 90315, 106371, 108378, 118190, 128790, 177285, 180630, 212742, 270945, 319113, 354570, 531855, 541890, 638226, 957339, 1063710, 1595565, 1914678, 2872017, 3191130, 4786695, 5744034, 9573390, 14360085, 28720170]

約数ペア:

[(1, 28720170), (2, 14360085), (3, 9573390), (5, 5744034), (6, 4786695), (9, 3191130), (10, 2872017), (15, 1914678), (18, 1595565), (27, 1063710), (30, 957339), (45, 638226), (53, 541890), (54, 531855), (81, 354570), (90, 319113), (106, 270945), (135, 212742), (159, 180630), (162, 177285), (223, 128790), (243, 118190), (265, 108378), (270, 106371), (318, 90315), (405, 70914), (446, 64395), (477, 60210), (486, 59095), (530, 54189), (669, 42930), (795, 36126), (810, 35457), (954, 30105), (1115, 25758), (1215, 23638), (1338, 21465), (1431, 20070), (1590, 18063), (2007, 14310), (2230, 12879), (2385, 12042), (2430, 11819), (2862, 10035), (3345, 8586), (4014, 7155), (4293, 6690), (4770, 6021)]