78521940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20773}}^1$

素因数の和:20798

約数の個数: 96

約数和(自身を含む): 279202560

約数和(自身を除く): 200680620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20773, 41546, 62319, 83092, 103865, 124638, 145411, 186957, 207730, 249276, 290822, 311595, 373914, 415460, 436233, 560871, 581644, 623190, 727055, 747828, 872466, 934785, 1121742, 1246380, 1308699, 1454110, 1744932, 1869570, 2181165, 2243484, 2617398, 2804355, 2908220, 3739140, 3926097, 4362330, 5234796, 5608710, 6543495, 7852194, 8724660, 11217420, 13086990, 15704388, 19630485, 26173980, 39260970, 78521940]

約数ペア:

[(1, 78521940), (2, 39260970), (3, 26173980), (4, 19630485), (5, 15704388), (6, 13086990), (7, 11217420), (9, 8724660), (10, 7852194), (12, 6543495), (14, 5608710), (15, 5234796), (18, 4362330), (20, 3926097), (21, 3739140), (27, 2908220), (28, 2804355), (30, 2617398), (35, 2243484), (36, 2181165), (42, 1869570), (45, 1744932), (54, 1454110), (60, 1308699), (63, 1246380), (70, 1121742), (84, 934785), (90, 872466), (105, 747828), (108, 727055), (126, 623190), (135, 581644), (140, 560871), (180, 436233), (189, 415460), (210, 373914), (252, 311595), (270, 290822), (315, 249276), (378, 207730), (420, 186957), (540, 145411), (630, 124638), (756, 103865), (945, 83092), (1260, 62319), (1890, 41546), (3780, 20773)]