28866840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10459}}^1$

素因数の和:10496

約数の個数: 64

約数和(自身を含む): 90374400

約数和(自身を除く): 61507560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 10459, 20918, 31377, 41836, 52295, 62754, 83672, 104590, 125508, 156885, 209180, 240557, 251016, 313770, 418360, 481114, 627540, 721671, 962228, 1202785, 1255080, 1443342, 1924456, 2405570, 2886684, 3608355, 4811140, 5773368, 7216710, 9622280, 14433420, 28866840]

約数ペア:

[(1, 28866840), (2, 14433420), (3, 9622280), (4, 7216710), (5, 5773368), (6, 4811140), (8, 3608355), (10, 2886684), (12, 2405570), (15, 1924456), (20, 1443342), (23, 1255080), (24, 1202785), (30, 962228), (40, 721671), (46, 627540), (60, 481114), (69, 418360), (92, 313770), (115, 251016), (120, 240557), (138, 209180), (184, 156885), (230, 125508), (276, 104590), (345, 83672), (460, 62754), (552, 52295), (690, 41836), (920, 31377), (1380, 20918), (2760, 10459)]