78458940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{853}}^1$

素因数の和:948

約数の個数: 144

約数和(自身を含む): 276040128

約数和(自身を除く): 197581188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 853, 876, 1022, 1095, 1260, 1314, 1460, 1533, 1706, 2044, 2190, 2555, 2559, 2628, 3066, 3285, 3412, 4265, 4380, 4599, 5110, 5118, 5971, 6132, 6570, 7665, 7677, 8530, 9198, 10220, 10236, 11942, 12795, 13140, 15330, 15354, 17060, 17913, 18396, 22995, 23884, 25590, 29855, 30660, 30708, 35826, 38385, 45990, 51180, 53739, 59710, 62269, 71652, 76770, 89565, 91980, 107478, 119420, 124538, 153540, 179130, 186807, 214956, 249076, 268695, 311345, 358260, 373614, 435883, 537390, 560421, 622690, 747228, 871766, 934035, 1074780, 1120842, 1245380, 1307649, 1743532, 1868070, 2179415, 2241684, 2615298, 2802105, 3736140, 3922947, 4358830, 5230596, 5604210, 6538245, 7845894, 8717660, 11208420, 13076490, 15691788, 19614735, 26152980, 39229470, 78458940]

約数ペア:

[(1, 78458940), (2, 39229470), (3, 26152980), (4, 19614735), (5, 15691788), (6, 13076490), (7, 11208420), (9, 8717660), (10, 7845894), (12, 6538245), (14, 5604210), (15, 5230596), (18, 4358830), (20, 3922947), (21, 3736140), (28, 2802105), (30, 2615298), (35, 2241684), (36, 2179415), (42, 1868070), (45, 1743532), (60, 1307649), (63, 1245380), (70, 1120842), (73, 1074780), (84, 934035), (90, 871766), (105, 747228), (126, 622690), (140, 560421), (146, 537390), (180, 435883), (210, 373614), (219, 358260), (252, 311345), (292, 268695), (315, 249076), (365, 214956), (420, 186807), (438, 179130), (511, 153540), (630, 124538), (657, 119420), (730, 107478), (853, 91980), (876, 89565), (1022, 76770), (1095, 71652), (1260, 62269), (1314, 59710), (1460, 53739), (1533, 51180), (1706, 45990), (2044, 38385), (2190, 35826), (2555, 30708), (2559, 30660), (2628, 29855), (3066, 25590), (3285, 23884), (3412, 22995), (4265, 18396), (4380, 17913), (4599, 17060), (5110, 15354), (5118, 15330), (5971, 13140), (6132, 12795), (6570, 11942), (7665, 10236), (7677, 10220), (8530, 9198)]