191508720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61381}}^1$

素因数の和:61410

約数の個数: 80

約数和(自身を含む): 639354912

約数和(自身を除く): 447846192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 61381, 122762, 184143, 245524, 306905, 368286, 491048, 613810, 736572, 797953, 920715, 982096, 1227620, 1473144, 1595906, 1841430, 2393859, 2455240, 2946288, 3191812, 3682860, 3989765, 4787718, 4910480, 6383624, 7365720, 7979530, 9575436, 11969295, 12767248, 14731440, 15959060, 19150872, 23938590, 31918120, 38301744, 47877180, 63836240, 95754360, 191508720]

約数ペア:

[(1, 191508720), (2, 95754360), (3, 63836240), (4, 47877180), (5, 38301744), (6, 31918120), (8, 23938590), (10, 19150872), (12, 15959060), (13, 14731440), (15, 12767248), (16, 11969295), (20, 9575436), (24, 7979530), (26, 7365720), (30, 6383624), (39, 4910480), (40, 4787718), (48, 3989765), (52, 3682860), (60, 3191812), (65, 2946288), (78, 2455240), (80, 2393859), (104, 1841430), (120, 1595906), (130, 1473144), (156, 1227620), (195, 982096), (208, 920715), (240, 797953), (260, 736572), (312, 613810), (390, 491048), (520, 368286), (624, 306905), (780, 245524), (1040, 184143), (1560, 122762), (3120, 61381)]