64472940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51169}}^1$

素因数の和:51191

約数の個数: 72

約数和(自身を含む): 223510560

約数和(自身を除く): 159037620

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, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51169, 102338, 153507, 204676, 255845, 307014, 358183, 460521, 511690, 614028, 716366, 767535, 921042, 1023380, 1074549, 1432732, 1535070, 1790915, 1842084, 2149098, 2302605, 3070140, 3223647, 3581830, 4298196, 4605210, 5372745, 6447294, 7163660, 9210420, 10745490, 12894588, 16118235, 21490980, 32236470, 64472940]

約数ペア:

[(1, 64472940), (2, 32236470), (3, 21490980), (4, 16118235), (5, 12894588), (6, 10745490), (7, 9210420), (9, 7163660), (10, 6447294), (12, 5372745), (14, 4605210), (15, 4298196), (18, 3581830), (20, 3223647), (21, 3070140), (28, 2302605), (30, 2149098), (35, 1842084), (36, 1790915), (42, 1535070), (45, 1432732), (60, 1074549), (63, 1023380), (70, 921042), (84, 767535), (90, 716366), (105, 614028), (126, 511690), (140, 460521), (180, 358183), (210, 307014), (252, 255845), (315, 204676), (420, 153507), (630, 102338), (1260, 51169)]