28636380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6917}}^1$

素因数の和:6955

約数の個数: 72

約数和(自身を含む): 90653472

約数和(自身を除く): 62017092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6917, 13834, 20751, 27668, 34585, 41502, 62253, 69170, 83004, 103755, 124506, 138340, 159091, 207510, 249012, 311265, 318182, 415020, 477273, 622530, 636364, 795455, 954546, 1245060, 1431819, 1590910, 1909092, 2386365, 2863638, 3181820, 4772730, 5727276, 7159095, 9545460, 14318190, 28636380]

約数ペア:

[(1, 28636380), (2, 14318190), (3, 9545460), (4, 7159095), (5, 5727276), (6, 4772730), (9, 3181820), (10, 2863638), (12, 2386365), (15, 1909092), (18, 1590910), (20, 1431819), (23, 1245060), (30, 954546), (36, 795455), (45, 636364), (46, 622530), (60, 477273), (69, 415020), (90, 318182), (92, 311265), (115, 249012), (138, 207510), (180, 159091), (207, 138340), (230, 124506), (276, 103755), (345, 83004), (414, 69170), (460, 62253), (690, 41502), (828, 34585), (1035, 27668), (1380, 20751), (2070, 13834), (4140, 6917)]