1265940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 4143048

約数和(自身を除く): 2877108

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, 541, 585, 780, 1082, 1170, 1623, 2164, 2340, 2705, 3246, 4869, 5410, 6492, 7033, 8115, 9738, 10820, 14066, 16230, 19476, 21099, 24345, 28132, 32460, 35165, 42198, 48690, 63297, 70330, 84396, 97380, 105495, 126594, 140660, 210990, 253188, 316485, 421980, 632970, 1265940]

約数ペア:

[(1, 1265940), (2, 632970), (3, 421980), (4, 316485), (5, 253188), (6, 210990), (9, 140660), (10, 126594), (12, 105495), (13, 97380), (15, 84396), (18, 70330), (20, 63297), (26, 48690), (30, 42198), (36, 35165), (39, 32460), (45, 28132), (52, 24345), (60, 21099), (65, 19476), (78, 16230), (90, 14066), (117, 10820), (130, 9738), (156, 8115), (180, 7033), (195, 6492), (234, 5410), (260, 4869), (390, 3246), (468, 2705), (541, 2340), (585, 2164), (780, 1623), (1082, 1170)]