19958902860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{323903}}^1$

素因数の和:324007

約数の個数: 96

約数和(自身を含む): 60945776640

約数和(自身を除く): 40986873780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 474, 780, 790, 948, 1027, 1185, 1580, 2054, 2370, 3081, 4108, 4740, 5135, 6162, 10270, 12324, 15405, 20540, 30810, 61620, 323903, 647806, 971709, 1295612, 1619515, 1943418, 3239030, 3886836, 4210739, 4858545, 6478060, 8421478, 9717090, 12632217, 16842956, 19434180, 21053695, 25264434, 25588337, 42107390, 50528868, 51176674, 63161085, 76765011, 84214780, 102353348, 126322170, 127941685, 153530022, 252644340, 255883370, 307060044, 332648381, 383825055, 511766740, 665296762, 767650110, 997945143, 1330593524, 1535300220, 1663241905, 1995890286, 3326483810, 3991780572, 4989725715, 6652967620, 9979451430, 19958902860]

約数ペア:

[(1, 19958902860), (2, 9979451430), (3, 6652967620), (4, 4989725715), (5, 3991780572), (6, 3326483810), (10, 1995890286), (12, 1663241905), (13, 1535300220), (15, 1330593524), (20, 997945143), (26, 767650110), (30, 665296762), (39, 511766740), (52, 383825055), (60, 332648381), (65, 307060044), (78, 255883370), (79, 252644340), (130, 153530022), (156, 127941685), (158, 126322170), (195, 102353348), (237, 84214780), (260, 76765011), (316, 63161085), (390, 51176674), (395, 50528868), (474, 42107390), (780, 25588337), (790, 25264434), (948, 21053695), (1027, 19434180), (1185, 16842956), (1580, 12632217), (2054, 9717090), (2370, 8421478), (3081, 6478060), (4108, 4858545), (4740, 4210739), (5135, 3886836), (6162, 3239030), (10270, 1943418), (12324, 1619515), (15405, 1295612), (20540, 971709), (30810, 647806), (61620, 323903)]