30984720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9960

約数の個数: 80

約数和(自身を含む): 103451712

約数和(自身を除く): 72466992

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, 9931, 19862, 29793, 39724, 49655, 59586, 79448, 99310, 119172, 129103, 148965, 158896, 198620, 238344, 258206, 297930, 387309, 397240, 476688, 516412, 595860, 645515, 774618, 794480, 1032824, 1191720, 1291030, 1549236, 1936545, 2065648, 2383440, 2582060, 3098472, 3873090, 5164120, 6196944, 7746180, 10328240, 15492360, 30984720]

約数ペア:

[(1, 30984720), (2, 15492360), (3, 10328240), (4, 7746180), (5, 6196944), (6, 5164120), (8, 3873090), (10, 3098472), (12, 2582060), (13, 2383440), (15, 2065648), (16, 1936545), (20, 1549236), (24, 1291030), (26, 1191720), (30, 1032824), (39, 794480), (40, 774618), (48, 645515), (52, 595860), (60, 516412), (65, 476688), (78, 397240), (80, 387309), (104, 297930), (120, 258206), (130, 238344), (156, 198620), (195, 158896), (208, 148965), (240, 129103), (260, 119172), (312, 99310), (390, 79448), (520, 59586), (624, 49655), (780, 39724), (1040, 29793), (1560, 19862), (3120, 9931)]