28164540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^2$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 81546192

約数和(自身を除く): 53381652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 107, 123, 164, 205, 214, 246, 321, 410, 428, 492, 535, 615, 642, 820, 1070, 1230, 1284, 1605, 2140, 2460, 3210, 4387, 6420, 8774, 11449, 13161, 17548, 21935, 22898, 26322, 34347, 43870, 45796, 52644, 57245, 65805, 68694, 87740, 114490, 131610, 137388, 171735, 228980, 263220, 343470, 469409, 686940, 938818, 1408227, 1877636, 2347045, 2816454, 4694090, 5632908, 7041135, 9388180, 14082270, 28164540]

約数ペア:

[(1, 28164540), (2, 14082270), (3, 9388180), (4, 7041135), (5, 5632908), (6, 4694090), (10, 2816454), (12, 2347045), (15, 1877636), (20, 1408227), (30, 938818), (41, 686940), (60, 469409), (82, 343470), (107, 263220), (123, 228980), (164, 171735), (205, 137388), (214, 131610), (246, 114490), (321, 87740), (410, 68694), (428, 65805), (492, 57245), (535, 52644), (615, 45796), (642, 43870), (820, 34347), (1070, 26322), (1230, 22898), (1284, 21935), (1605, 17548), (2140, 13161), (2460, 11449), (3210, 8774), (4387, 6420)]