15475980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19841}}^1$

素因数の和:19866

約数の個数: 48

約数和(自身を含む): 46668384

約数和(自身を除く): 31192404

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, 19841, 39682, 59523, 79364, 99205, 119046, 198410, 238092, 257933, 297615, 396820, 515866, 595230, 773799, 1031732, 1190460, 1289665, 1547598, 2579330, 3095196, 3868995, 5158660, 7737990, 15475980]

約数ペア:

[(1, 15475980), (2, 7737990), (3, 5158660), (4, 3868995), (5, 3095196), (6, 2579330), (10, 1547598), (12, 1289665), (13, 1190460), (15, 1031732), (20, 773799), (26, 595230), (30, 515866), (39, 396820), (52, 297615), (60, 257933), (65, 238092), (78, 198410), (130, 119046), (156, 99205), (195, 79364), (260, 59523), (390, 39682), (780, 19841)]