20180199375

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1811}}^1$

素因数の和:2127

約数の個数: 120

約数和(自身を含む): 41798520192

約数和(自身を除く): 21618320817

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 283, 315, 375, 525, 625, 849, 875, 1125, 1415, 1575, 1811, 1875, 1981, 2547, 2625, 4245, 4375, 5433, 5625, 5943, 7075, 7875, 9055, 9905, 12677, 12735, 13125, 16299, 17829, 21225, 27165, 29715, 35375, 38031, 39375, 45275, 49525, 63385, 63675, 81495, 89145, 106125, 114093, 135825, 148575, 176875, 190155, 226375, 247625, 316925, 318375, 407475, 445725, 512513, 530625, 570465, 679125, 742875, 950775, 1131875, 1238125, 1537539, 1584625, 1591875, 2037375, 2228625, 2562565, 2852325, 3395625, 3587591, 3714375, 4612617, 4753875, 7687695, 7923125, 10186875, 10762773, 11143125, 12812825, 14261625, 17937955, 23063085, 23769375, 32288319, 38438475, 53813865, 64064125, 71308125, 89689775, 115315425, 161441595, 192192375, 269069325, 320320625, 448448875, 576577125, 807207975, 960961875, 1345346625, 2242244375, 2882885625, 4036039875, 6726733125, 20180199375]

約数ペア:

[(1, 20180199375), (3, 6726733125), (5, 4036039875), (7, 2882885625), (9, 2242244375), (15, 1345346625), (21, 960961875), (25, 807207975), (35, 576577125), (45, 448448875), (63, 320320625), (75, 269069325), (105, 192192375), (125, 161441595), (175, 115315425), (225, 89689775), (283, 71308125), (315, 64064125), (375, 53813865), (525, 38438475), (625, 32288319), (849, 23769375), (875, 23063085), (1125, 17937955), (1415, 14261625), (1575, 12812825), (1811, 11143125), (1875, 10762773), (1981, 10186875), (2547, 7923125), (2625, 7687695), (4245, 4753875), (4375, 4612617), (5433, 3714375), (5625, 3587591), (5943, 3395625), (7075, 2852325), (7875, 2562565), (9055, 2228625), (9905, 2037375), (12677, 1591875), (12735, 1584625), (13125, 1537539), (16299, 1238125), (17829, 1131875), (21225, 950775), (27165, 742875), (29715, 679125), (35375, 570465), (38031, 530625), (39375, 512513), (45275, 445725), (49525, 407475), (63385, 318375), (63675, 316925), (81495, 247625), (89145, 226375), (106125, 190155), (114093, 176875), (135825, 148575)]