71978760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{9521}}^1$

素因数の和:9548

約数の個数: 128

約数和(自身を含む): 274233600

約数和(自身を除く): 202254840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 9521, 19042, 28563, 38084, 47605, 57126, 66647, 76168, 85689, 95210, 114252, 133294, 142815, 171378, 190420, 199941, 228504, 257067, 266588, 285630, 333235, 342756, 380840, 399882, 428445, 514134, 533176, 571260, 599823, 666470, 685512, 799764, 856890, 999705, 1028268, 1142520, 1199646, 1285335, 1332940, 1599528, 1713780, 1799469, 1999410, 2056536, 2399292, 2570670, 2665880, 2999115, 3427560, 3598938, 3998820, 4798584, 5141340, 5998230, 7197876, 7997640, 8997345, 10282680, 11996460, 14395752, 17994690, 23992920, 35989380, 71978760]

約数ペア:

[(1, 71978760), (2, 35989380), (3, 23992920), (4, 17994690), (5, 14395752), (6, 11996460), (7, 10282680), (8, 8997345), (9, 7997640), (10, 7197876), (12, 5998230), (14, 5141340), (15, 4798584), (18, 3998820), (20, 3598938), (21, 3427560), (24, 2999115), (27, 2665880), (28, 2570670), (30, 2399292), (35, 2056536), (36, 1999410), (40, 1799469), (42, 1713780), (45, 1599528), (54, 1332940), (56, 1285335), (60, 1199646), (63, 1142520), (70, 1028268), (72, 999705), (84, 856890), (90, 799764), (105, 685512), (108, 666470), (120, 599823), (126, 571260), (135, 533176), (140, 514134), (168, 428445), (180, 399882), (189, 380840), (210, 342756), (216, 333235), (252, 285630), (270, 266588), (280, 257067), (315, 228504), (360, 199941), (378, 190420), (420, 171378), (504, 142815), (540, 133294), (630, 114252), (756, 95210), (840, 85689), (945, 76168), (1080, 66647), (1260, 57126), (1512, 47605), (1890, 38084), (2520, 28563), (3780, 19042), (7560, 9521)]