451620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 1482936

約数和(自身を除く): 1031316

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, 193, 195, 234, 260, 386, 390, 468, 579, 585, 772, 780, 965, 1158, 1170, 1737, 1930, 2316, 2340, 2509, 2895, 3474, 3860, 5018, 5790, 6948, 7527, 8685, 10036, 11580, 12545, 15054, 17370, 22581, 25090, 30108, 34740, 37635, 45162, 50180, 75270, 90324, 112905, 150540, 225810, 451620]

約数ペア:

[(1, 451620), (2, 225810), (3, 150540), (4, 112905), (5, 90324), (6, 75270), (9, 50180), (10, 45162), (12, 37635), (13, 34740), (15, 30108), (18, 25090), (20, 22581), (26, 17370), (30, 15054), (36, 12545), (39, 11580), (45, 10036), (52, 8685), (60, 7527), (65, 6948), (78, 5790), (90, 5018), (117, 3860), (130, 3474), (156, 2895), (180, 2509), (193, 2340), (195, 2316), (234, 1930), (260, 1737), (386, 1170), (390, 1158), (468, 965), (579, 780), (585, 772)]