87830340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112603}}^1$

素因数の和:112628

約数の個数: 48

約数和(自身を含む): 264844608

約数和(自身を除く): 177014268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 112603, 225206, 337809, 450412, 563015, 675618, 1126030, 1351236, 1463839, 1689045, 2252060, 2927678, 3378090, 4391517, 5855356, 6756180, 7319195, 8783034, 14638390, 17566068, 21957585, 29276780, 43915170, 87830340]

約数ペア:

[(1, 87830340), (2, 43915170), (3, 29276780), (4, 21957585), (5, 17566068), (6, 14638390), (10, 8783034), (12, 7319195), (13, 6756180), (15, 5855356), (20, 4391517), (26, 3378090), (30, 2927678), (39, 2252060), (52, 1689045), (60, 1463839), (65, 1351236), (78, 1126030), (130, 675618), (156, 563015), (195, 450412), (260, 337809), (390, 225206), (780, 112603)]