71497140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 236851776

約数和(自身を除く): 165354636

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 169, 195, 220, 260, 286, 330, 338, 390, 429, 507, 572, 641, 660, 676, 715, 780, 845, 858, 1014, 1282, 1430, 1690, 1716, 1859, 1923, 2028, 2145, 2535, 2564, 2860, 3205, 3380, 3718, 3846, 4290, 5070, 5577, 6410, 7051, 7436, 7692, 8333, 8580, 9295, 9615, 10140, 11154, 12820, 14102, 16666, 18590, 19230, 21153, 22308, 24999, 27885, 28204, 33332, 35255, 37180, 38460, 41665, 42306, 49998, 55770, 70510, 83330, 84612, 91663, 99996, 105765, 108329, 111540, 124995, 141020, 166660, 183326, 211530, 216658, 249990, 274989, 324987, 366652, 423060, 433316, 458315, 499980, 541645, 549978, 649974, 916630, 1083290, 1099956, 1191619, 1299948, 1374945, 1624935, 1833260, 2166580, 2383238, 2749890, 3249870, 3574857, 4766476, 5499780, 5958095, 6499740, 7149714, 11916190, 14299428, 17874285, 23832380, 35748570, 71497140]

約数ペア:

[(1, 71497140), (2, 35748570), (3, 23832380), (4, 17874285), (5, 14299428), (6, 11916190), (10, 7149714), (11, 6499740), (12, 5958095), (13, 5499780), (15, 4766476), (20, 3574857), (22, 3249870), (26, 2749890), (30, 2383238), (33, 2166580), (39, 1833260), (44, 1624935), (52, 1374945), (55, 1299948), (60, 1191619), (65, 1099956), (66, 1083290), (78, 916630), (110, 649974), (130, 549978), (132, 541645), (143, 499980), (156, 458315), (165, 433316), (169, 423060), (195, 366652), (220, 324987), (260, 274989), (286, 249990), (330, 216658), (338, 211530), (390, 183326), (429, 166660), (507, 141020), (572, 124995), (641, 111540), (660, 108329), (676, 105765), (715, 99996), (780, 91663), (845, 84612), (858, 83330), (1014, 70510), (1282, 55770), (1430, 49998), (1690, 42306), (1716, 41665), (1859, 38460), (1923, 37180), (2028, 35255), (2145, 33332), (2535, 28204), (2564, 27885), (2860, 24999), (3205, 22308), (3380, 21153), (3718, 19230), (3846, 18590), (4290, 16666), (5070, 14102), (5577, 12820), (6410, 11154), (7051, 10140), (7436, 9615), (7692, 9295), (8333, 8580)]