51019020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21803}}^1$

素因数の和:21831

約数の個数: 72

約数和(自身を含む): 166669776

約数和(自身を除く): 115650756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21803, 43606, 65409, 87212, 109015, 130818, 196227, 218030, 261636, 283439, 327045, 392454, 436060, 566878, 654090, 784908, 850317, 981135, 1133756, 1308180, 1417195, 1700634, 1962270, 2550951, 2834390, 3401268, 3924540, 4251585, 5101902, 5668780, 8503170, 10203804, 12754755, 17006340, 25509510, 51019020]

約数ペア:

[(1, 51019020), (2, 25509510), (3, 17006340), (4, 12754755), (5, 10203804), (6, 8503170), (9, 5668780), (10, 5101902), (12, 4251585), (13, 3924540), (15, 3401268), (18, 2834390), (20, 2550951), (26, 1962270), (30, 1700634), (36, 1417195), (39, 1308180), (45, 1133756), (52, 981135), (60, 850317), (65, 784908), (78, 654090), (90, 566878), (117, 436060), (130, 392454), (156, 327045), (180, 283439), (195, 261636), (234, 218030), (260, 196227), (390, 130818), (468, 109015), (585, 87212), (780, 65409), (1170, 43606), (2340, 21803)]