287722980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1307}}^1$

素因数の和:2545

約数の個数: 72

約数和(自身を含む): 874141632

約数和(自身を除く): 586418652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1223, 1307, 2446, 2614, 3669, 3921, 4892, 5228, 6115, 6535, 7338, 7842, 11007, 11763, 12230, 13070, 14676, 15684, 18345, 19605, 22014, 23526, 24460, 26140, 36690, 39210, 44028, 47052, 55035, 58815, 73380, 78420, 110070, 117630, 220140, 235260, 1598461, 3196922, 4795383, 6393844, 7992305, 9590766, 14386149, 15984610, 19181532, 23976915, 28772298, 31969220, 47953830, 57544596, 71930745, 95907660, 143861490, 287722980]

約数ペア:

[(1, 287722980), (2, 143861490), (3, 95907660), (4, 71930745), (5, 57544596), (6, 47953830), (9, 31969220), (10, 28772298), (12, 23976915), (15, 19181532), (18, 15984610), (20, 14386149), (30, 9590766), (36, 7992305), (45, 6393844), (60, 4795383), (90, 3196922), (180, 1598461), (1223, 235260), (1307, 220140), (2446, 117630), (2614, 110070), (3669, 78420), (3921, 73380), (4892, 58815), (5228, 55035), (6115, 47052), (6535, 44028), (7338, 39210), (7842, 36690), (11007, 26140), (11763, 24460), (12230, 23526), (13070, 22014), (14676, 19605), (15684, 18345)]