40978620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2347}}^1$

素因数の和:2459

約数の個数: 72

約数和(自身を含む): 125636784

約数和(自身を除く): 84658164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2347, 2910, 3492, 4365, 4694, 5820, 7041, 8730, 9388, 11735, 14082, 17460, 21123, 23470, 28164, 35205, 42246, 46940, 70410, 84492, 105615, 140820, 211230, 227659, 422460, 455318, 682977, 910636, 1138295, 1365954, 2048931, 2276590, 2731908, 3414885, 4097862, 4553180, 6829770, 8195724, 10244655, 13659540, 20489310, 40978620]

約数ペア:

[(1, 40978620), (2, 20489310), (3, 13659540), (4, 10244655), (5, 8195724), (6, 6829770), (9, 4553180), (10, 4097862), (12, 3414885), (15, 2731908), (18, 2276590), (20, 2048931), (30, 1365954), (36, 1138295), (45, 910636), (60, 682977), (90, 455318), (97, 422460), (180, 227659), (194, 211230), (291, 140820), (388, 105615), (485, 84492), (582, 70410), (873, 46940), (970, 42246), (1164, 35205), (1455, 28164), (1746, 23470), (1940, 21123), (2347, 17460), (2910, 14082), (3492, 11735), (4365, 9388), (4694, 8730), (5820, 7041)]